kth8/OpenTriviaQA huggingface dataset:
Category: animals
Question: Scorpion venom is regarded as a potential source of chemicals that can be used in the treatment of this disease.
Choices: Autoimmune disorders; Cancer; Multiple sclerosis; All of these
Answer: All of these
Category: animals
Question: What common name is used to refer to the insects from the subfamily Triatominae, mainly found in the Americas?
Choices: Kissing bugs; Lollipop bugs; Microphone bugs; Pretty bugs
Answer: Kissing bugs
Category: animals
Question: What is the largest extant butterfly species on the planet?
Choices: Rajah Brookes Birdwing; Goliath Birdwing; Queen Alexandras Birdwing; Cairns Birdwing
Answer: Queen Alexandras Birdwing
Category: animals
Question: Why were the insects known as snakeflies given this interesting name?
Choices: They hiss.; They have a venomous bite.; Their body is elongated.; They have snake skin color patterns on their back.
Answer: Their body is elongated.
Category: animals
Question: What distinctive anatomical feature does the beetle species Trogodendron fasciculatum possess?
Choices: Bright yellow antennae; A green W mark on the back; Very large red eyes; Its abdomen is blue
Answer: Bright yellow antennae
Category: animals
Question: What does the flamboyant flower beetle, also known as striped love beetle, feed on?
Choices: Insects; Nectar; Blood; Carrion
Answer: Nectar
Category: animals
Question: What belief about the European hornet, the largest European eusocial wasp, is widespread among the people who are afraid of it?
Choices: If it stings you, youll never have children.; If it stings you on the arm or leg, that limb has to be amputated.; Three stings can kill an adult human, and seven can kill a horse.; Stinging results in deep sleep that you may never wake up from.
Answer: Three stings can kill an adult human, and seven can kill a horse.
Category: animals
Question: To what geographical area is the Ctenomorphodes chronus, a species of stick insect, endemic?
Choices: All of these; Madagascar; South America; Australia
Answer: Australia
Category: animals
Question: What kind of substance does the female redeye cicada prefer for laying eggs into?
Choices: Dead animal matter; Animal and human hair; Plant tissue; Living animal organisms
Answer: Plant tissue
Category: animals
Question: What part of their body do the insects from order Archaeognatha use to spring up into the air?
Choices: Antennae; Front legs; Hind legs; Tail
Answer: Tail
Category: animals
Question: What is the literal translation of the Greek word Embioptera, which denotes an order of insects, also known as webspinners?
Choices: Small wings; None of these; Yarn knitter; Lively wings
Answer: Lively wings
Category: brain-teasers
Question: Which of these is true about the sleep of zebras?
Choices: All of these; They sleep standing up.; They would fall asleep every 5 to 6 hours.; They need more than 12 hours of sleep a day.
Answer: They sleep standing up.
Category: brain-teasers
Question: A farmer had 12 sheep and 3 cows. All of the animals except 9 sheep died. How many animals did he have left in his farm?
Choices: 5 cows and 1 sheep; 9 sheep; 2 cows; none
Answer: 9 sheep
Category: brain-teasers
Question: I dont speak, I cannot hear, but I always tell the truth.
Choices: The watch; Fish; The Mirror; Old granny
Answer: The Mirror
Category: brain-teasers
Question: Can a Roman Catholic man from California marry his widows sister who is from Texas?
Choices: Yes; No
Answer: No
Category: brain-teasers
Question: How does this proverb continue: The squeaking wheel gets ...
Choices: The rust; Removed; The broken; The grease
Answer: The grease
Category: brain-teasers
Question: An old man was looking at a photograph of a young man. Somebody asked him who it was. The mans answer was the following: Brothers and sisters, I have none. But that mans father is my fathers son. Who was in the photograph?
Choices: His cousin; His grandfather; His son; His nephew
Answer: His son
Category: brain-teasers
Question: A shepherd from a village tended the sheep of those of his fellow villagers who did not tend their own. However, he did not tend the sheep of those villagers who tended their own sheep. In that village, there was only one shepherd and he also had several sheep. Can all this be true?
Choices: Yes; No
Answer: No
Category: brain-teasers
Question: A famous story begins like that, It was a clear summer day and my family was preparing dinner for the New Years Eve. Can this story be true?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: In a basket there are five apples. We give the five apples to five kids so that each kid receives an apple. However, in the basket there is still one apple. Is this possible?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: Two days ago my son was three years old and next year he will be 6.  This could be a correct statement.
Choices: False; True
Answer: True
Category: brain-teasers
Question: The single difference between the two cities A and B was that the citizens of A always said the truth, while the citizens of B never did. Once, a man who had never been to either city arrived at one of them. Which question should the man have asked in order to identify the city he was in? Have in mind, that people from A often visited their friends in B and vice versa.
Choices: How old are you?; Are you married?; Is this city A ?; Are you a citizen of this city?
Answer: Are you a citizen of this city?
Category: brain-teasers
Question: You have two right triangles. The sides of the first one are 3 m, 4 m and 5 m. The sides of the second are 3 m, 4 m and 7 m. The area of the second triangle is bigger.
Choices: True; False
Answer: False
Category: brain-teasers
Question: What number comes next in the row - 31, 28, 31, 30, ?
Choices: 32; 31; 30; 29
Answer: 31
Category: brain-teasers
Question: If you were running a race and passed the person in second place, what place would you be in?
Choices: 1st; 2nd; 3rd; Out of the race
Answer: 2nd
Category: brain-teasers
Question: What number comes next: 1, 11, 21, 1211, 111221, 312211, 13112221?
Choices: 131122211211; 11221311; 31221113112221; 1113213211
Answer: 1113213211
Category: brain-teasers
Question: What is the largest number you can write out with numbers 1, 2, and 3?
Choices: 10,460,353,203; 6; 123; 321
Answer: 10,460,353,203
Category: brain-teasers
Question: John went to a party one night.  The next day he was asked if he met a lot people at the gathering.  Figure it out for yourself, John said.  Of the girls I spoke to, all but two were blondes, all but two were brunettes, and all but two were redheads.  How many girls did he talk to?
Choices: 3; 6; 4; 2
Answer: 3
Category: brain-teasers
Question: A kid found two old coins. The first coin said it was minted in 43 BC, while the other said it was minted during the reign of Emperor Nicholas I. Which of the coins was fake?
Choices: Neither one; Both; The one minted during the reign of Emperor Nicholas I; The one minted in 43 BC
Answer: Both
Category: brain-teasers
Question: A contestant on a TV show had to answer 26 questions. For each correct answer he received 8 points, while a wrong answer penalized him 5 points. How many answers did the man answer correctly, bearing in mind that he eventually had 0 points?
Choices: 12; 8; 16; 10
Answer: 10
Category: brain-teasers
Question: Lets suppose that I offer you a bet under the following conditions: I bet $1 and claim that if you give me $5 I will give you $99 in return. Will you gain something from this bet?
Choices: Yes; No
Answer: No
Category: brain-teasers
Question: You can put something between the digits 2 and 3 so that the resultant number is bigger than 2 and smaller than 3.
Choices: True; False
Answer: True
Category: brain-teasers
Question: A row consists of 10 letters. The first six are - Z, O, T, T, F, F.  Which is the tenth letter?
Choices: T; E; S; N
Answer: N
Category: brain-teasers
Question: You have a square and a circle and the perimeter of the square is equal to the circumference of the circle. Which of the two figures covers a bigger area?
Choices: The square; The circle; No conclusion can be drawn from the given information.; Both cover the same are.
Answer: The circle
Category: brain-teasers
Question: Sometimes we see 10 but say 22, see 4 but say 16.
Choices: False; True
Answer: True
Category: brain-teasers
Question: Can you build a house so that all its walls face north?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: At the beginning of the day, I was behind a car at a stoplight, whose vanity plate read: 4SBWIU.  What is the driver of this car most likely a fan of?
Choices: NASCAR; Fly Fishing; Movies; Sports
Answer: Movies
Category: brain-teasers
Question: My first stop was the supermarket.  When I had completed my shopping and was in the parking lot, I spied this snazzy auto with the following vanity plate: 10S42.  What sport is the driver of this vehicle most likely a fan of?
Choices: Golf; Badminton; Bowling; Tennis
Answer: Tennis
Category: brain-teasers
Question: My next errand took me all the way across town.  I decided to take a shortcut which put me on a boulevard of small, eclectic businesses.  One of these businesses I passed on my way was a fortune tellers shop.  A Cadillac was parked out front, which, I assume, belonged to the owner of the shop. What would be the most appropriate vanity plate for this automobile?
Choices: PASS  THE CASH; N2IT; N3IT; N4IT
Answer: N2IT
Category: brain-teasers
Question: On the on-ramp to the freeway, I was behind an auto with the following plate:  4IS.  What is the likely profession of the driver of this car?
Choices: Zoologist; Optometrist; Biologist; Geologist
Answer: Optometrist
Category: brain-teasers
Question: Well, I got caught in noon rush hour.  As luck would have it, I saw yet another vanity plate.  This one told me that the driver at least checks in his / her rear view mirror.  What plate did I see?
Choices: OIUC2; OIC3; RU2; OICU2
Answer: OICU2
Category: brain-teasers
Question: I went to my favorite restaurant to pick up some carry out for an early dinner.  I saw the owners car parked out front. The vanity plate asked a question.  What do you suppose the plate read?
Choices: N0TABL42; E10YET; RESORV8NS; 8ISENUF
Answer: E10YET
Category: brain-teasers
Question: I always go up and down the stairs without moving.
Choices: A scarf; A curtain; A towel; A rug
Answer: A rug
Category: brain-teasers
Question: If the mother of a boy spanks him and then his father comes and does the same, who hurts the most?
Choices: The boys brother; The mother; The boy; The father
Answer: The boy
Category: brain-teasers
Question: Which letter behaves as a selfish friend?
Choices: S; A; P; D
Answer: P
Category: brain-teasers
Question: You always wear these flowers.
Choices: Roses; Daises; Tulips; Poppies
Answer: Tulips
Category: brain-teasers
Question: 12 candles were alight. The wind blew out 5 of them. How many candles were left?
Choices: 0; 7; 12; 5
Answer: 12
Category: brain-teasers
Question: A team of two horses ran for 3 miles. How many miles did each of the horses run?
Choices: 1.5; 0; 3; 6
Answer: 3
Category: brain-teasers
Question: Nine passengers carried with them enough food for five days. Several other passengers joined the first group and they all shared the same food, which was now enough for three days. How many passengers joined the first group?
Choices: 7; 8; 6; 5
Answer: 6
Category: brain-teasers
Question: How many times does the digit 3 occur in the numbers from 1 to 50?
Choices: 15; 14; 10; 13
Answer: 15
Category: brain-teasers
Question: A pole is 20 m high. An ant is climbing it as follows - every day she ascends 5 m and every night she descends 4 m. In how many days will the ant be on the top of the post?
Choices: 16; 19; 15; 20
Answer: 16
Category: brain-teasers
Question: A butcher had to stick a total number of 50 sheep in a week. Every day he sticked an equal number of sheep and managed to fulfill the task. How many sheep did he kill per day?
Choices: 10; 4; 8; 7
Answer: 10
Category: brain-teasers
Question: In a basket there are three sorts of apples. How many apples do you have to  take from the basket to make sure you have at least 2 apples of the same sort?
Choices: 5; 4; 3; 2
Answer: 4
Category: brain-teasers
Question: An old potter was selling pots. Once, a woman came and bought a pot for its sticker price.  She had to pay $1 plus half its price.  What was the price?
Choices: 2; 4; 3; 1
Answer: 2
Category: brain-teasers
Question: Four glasses and a jug weigh as mush  as 17 iron balls do. The jug weighs as much as a glass and 7 balls. How many balls does the jug weigh?
Choices: 9; 8; 10; 5
Answer: 9
Category: brain-teasers
Question: Three cats can eat 3 mice in 1.5 hours. How long will it take 10 cats to eat 20 mice?
Choices: 10 hours; 6 hours; 3 hours; 1.5 hour
Answer: 3 hours
Category: brain-teasers
Question: Is there a way you can divide 7 identical pieces of bread equally among 12 people?
Choices: No; Yes
Answer: Yes
Category: brain-teasers
Question: A lion can eat a sheep in 2 hours, a wolf - in 3 hours, and a dog - in 6 hours. How long will it take the three animals to eat a sheep if they eat together?
Choices: 2 hours; 8 hours; 1/2 hour; 1 hour
Answer: 1 hour
Category: brain-teasers
Question: Two men were walking towards a river. There was a boat on one of the riverbanks. However, this boat could carry only one man at a time.  Nevertheless, both men managed to cross the river with the boat.  This is possible.
Choices: True; False
Answer: True
Category: brain-teasers
Question: Some of my relatives are 600 times younger than me. Can this be true?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: A man is carrying three croquet balls across a bridge. The bridge has a sign that says bridge can only hold 200 pounds. The man weighs 195 pounds and the croquet balls weigh 2 pounds each. The man ends up crossing the bridge in one trip and no one else helps him. This is possible.
Choices: False; True
Answer: True
Category: brain-teasers
Question: Which letter comes next in this series:
Choices: L-C-N-I-T-?; T; W; S; Z
Answer: S
Category: brain-teasers
Question: A squirrel finds a hollow log with 9 ears of corn in it.  If he can carry out 3 ears every day, how many days will it take him to empty the log?
Choices: 6; 3; 9; None of these
Answer: 9
Category: brain-teasers
Question: Suppose youre taking a multiple-choice quiz.  One question has three choices - A, B, C.  You do not know the answer and guess A. The instructor then announces that C is incorrect. Should you switch to B before turning in your paper?
Choices: No, it would be worse; Yes, this should help; It depends on when the announcement was made; It doesnt matter
Answer: Yes, this should help
Category: brain-teasers
Question: A worm can gnaw through 1 mm of paper for a single day. On a bookshelf there are two volumes, each 4 cm thick. Each of the covers is 2 mm thick. How long will it take the warm to gnaw from the first page of the first volume to the last page of the second volume?
Choices: 60 days; 80 days; 14 days; 4 days
Answer: 4 days
Category: brain-teasers
Question: The train leaves in 2 minutes and the distance to the train station is 2 miles. If you drive the first mile at 30 miles/h, at what speed should you drive the second mile?
Choices: It does not matter.; 90 miles/h; 120 miles/h; 60 miles/h
Answer: It does not matter.
Category: brain-teasers
Question: A driver noticed that the dashboard showed he had driven a total number of 15951 miles. He thought that this was a strange number because no matter in what direction it was read (from left to right or from right to left) it was the same. However, in two hours, the dashboard showed a number that had that same characteristic. What was the speed of the car?
Choices: 110; 55; 65; 450
Answer: 55
Category: brain-teasers
Question: Three hunters, different in height, got stuck in a pit. They tried to get out of it and stepped one onto the other. However, the shortest, who was on top, could not reach the edge for just 5 cm. Can these three hunters ever get out of the pit without the help of anyone else or of any additional object?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: In the Middle Ages a thief went into a church and fell asleep on a pew. He dreamed about stealing the cross of the minister and being sentenced to execution for that. However, just as he was about to be executed, he was woken by a local lady. Immediately after that the thief died. Modern scientists say it was due to a heart attack. Is everything okay with the story?
Choices: No; Yes
Answer: No
Category: brain-teasers
Question: One of these pairs of numbers has this strange characteristic - when you subtract one of them from the other you get a number equal to what you will get if you divide one by the other. Can you spot it?
Choices: 25/4 and 5/4; 24/6 and 24/8; 3 and 2/12; 30/6 and 36/6
Answer: 25/4 and 5/4
Category: brain-teasers
Question: The local limo company have recently expanded their inventory and no longer have enough room for all of their limos. Fifteen of the limos have to be stored outside. If they decide to increase their garage space by 50%, this will give them enough room for all of their current limos, plus enough room to store another fifteen in the future. How many limos does the company currently own?
Choices: 60; 80; 85; 75
Answer: 75
Category: brain-teasers
Question: A horse is tied to a five meter rope in front of an old saloon. Six meters directly behind the horse is a bale of hay. Without breaking his rope, the horse is able to eat the hay whenever he chooses. Assuming the horse is perfectly normal, is this possible?
Choices: No; Yes
Answer: Yes
Category: brain-teasers
Question: A famous playboy explained to a beautiful woman his system for playing roulette: In each round, I always bet half of the money I have at the time on red. Yesterday, I counted and I had won as many rounds as I had lost. Over the course of the night, did the gambler win, lose or break even?
Choices: lose; break even; win; None of these
Answer: lose
Category: brain-teasers
Question: A horse travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. Can this be true?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: A total of 15 delegates from Africa, Asia, America, and Europe meet at an international conference.
Choices: ch continent sends a different number of delegates, and each is represented by at least 1 delegate.; erica and Asia send a total of 6 delegates.; ia and Europe send a total of 7 delegates.; ich continent has sent 4 delegates?; America; Africa; Asia; Europe
Answer: Asia
Category: brain-teasers
Question: One kid has a toy car with a strange remote control- it has only one button on it. When the car is switched on, it starts moving forward and doesnt stop until its switched off. When the boy presses the button, the car makes a 60 degree turn clockwise. Considering that this is a very lazy boy, try calculating the smallest number of times he has to press the button so that the car travels back to him.
Choices: 4; 5; 7; 3
Answer: 5
Category: brain-teasers
Question: Here is something like a warm-up before you get to the next one. Three friends, Peter, Nick and Tom were competing in a race. After they finished, a person ,who was late for the race, asked them who was the winner. Tom said I didnt finish first and Peter didnt finish second. Then Nick said Tom didnt finish second either. Who was the winner?
Choices: Peter; Nick; Its impossible; Tom
Answer: Peter
Category: brain-teasers
Question: One watermelon weighs 10kg (22 lbs)  plus the half of its own weight. How much does it weigh?
Choices: 10kg (22 lbs); 25kg (55 lbs); 5kg (11 lbs); 20kg (44 lbs)
Answer: 20kg (44 lbs)
Category: brain-teasers
Question: Try thinking out a random 3-digit number and writing it twice on a piece of paper, forming a 6-digit number (for example the number is  123, than you will have to put down 123123 on the paper). Now divide this 6-digit number by 7. There will be no remainder, I guarantee. Now divide the result by 11. No remainder again, I guarantee. Now divide the new result by 13.  What happened?
Choices: The result is your original number; The result is zero; There is remainder; The result is twice your original number
Answer: The result is your original number
Category: brain-teasers
Question: Two dice are randomly thrown. What is the possibility that the number, formed by the two digits that come form the dice, is a prime?
Choices: 5:12; 5:18; 19:36; 35:36
Answer: 5:12
Category: brain-teasers
Question: 4, 7, 12, 19, 28, 39, ??
Choices: 11; 67; 78; 52
Answer: 52
Category: brain-teasers
Question: A man buys a horse for $60. After a while he sells it for 70$. Some time passes and the man regrets his decision and goes to buy the horse again. But now he has to pay $80 for it and he does. After a while he regrets to have bought the horse back and sells it for $90. Now in total, how much loss/profit did the man make from the three transactions?
Choices: $10; - $20; $20; 0
Answer: $10
Category: brain-teasers
Question: Somewhere, there is a very interesting village. And whats so interesting about it? Well, in this village there is a barber, a very special barber. He cuts the hair of everybody in the village that doesnt cut his own hair.  Who then cuts the barbers hair?
Choices: The barber of another village; Noone; Himself; Such village cannot exist, it is a paradox
Answer: Such village cannot exist, it is a paradox
Category: brain-teasers
Question: Two men were playing for title of  championship of the world for the checkers tournament. They each played five games and they each won three. There were no ties, is this possible?
Choices: No; Yes
Answer: Yes
Category: brain-teasers
Question: Take two apples from three apples and what do you have?
Choices: no apples; two apples; three apples; one apple
Answer: two apples
Category: brain-teasers
Question: A famous, well respected archaeologist went on a dig in Jerusalem. He found a coin dated 56 B.C. He was so excited, he rushed to the museum so it could be put on display. But the museum wouldnt accept the coin because they said it could not possibly be authentic. They said that the coin had to be a fake.
Choices: True; False
Answer: True
Category: brain-teasers
Question: In what country can your spouse be jailed along with you if you are caught drinking and driving?
Choices: Pakistan; Germany; India; Malaysia
Answer: Malaysia
Category: brain-teasers
Question: Approximately how much money does the taxpayer spend on a prisoner serving a life sentence in California?
Choices: 750,000; 500,000; 100,000; 1,550,000
Answer: 1,550,000
Category: brain-teasers
Question: What creature is responsible for the most human deaths?
Choices: The brown recluse spider; The hippo; The great white shark; The mosquito
Answer: The mosquito
Category: brain-teasers
Question: What is the largest county in the US?
Choices: Bernalillo, NM; Maricopa, AZ; Dade, FL; San Bernadino, CA
Answer: San Bernadino, CA
Category: brain-teasers
Question: Is it possible to test positive on a breathalyzer after drinking only a glass of milk?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: I have four legs in the morning, two legs in the afternoon and three legs in the evening. What am I?
Choices: A tortoise; A sloth; A human; A raven
Answer: A human
Category: brain-teasers
Question: Why do Chinese people eat more rice than Japanese people?
Choices: Because Chinese rice ripens more quickly than Japanese rice; Because Chinese people are more than Japanese people; Because Japanese people export rice for other countries and the Chinese dont; Because Chinese rice is more delicious than Japanese rice
Answer: Because Chinese people are more than Japanese people
Category: brain-teasers
Question: This is the smartest letter.
Choices: A; Y; C; W
Answer: Y
Category: brain-teasers
Question: Which is the month that allows women to talk the least?
Choices: February; December; August; March
Answer: February
Category: brain-teasers
Question: What is the number of men born last year in USA?
Choices: None; 2 013 841; 6 914 381; 1 502 106
Answer: None
Category: brain-teasers
Question: This is what you can see once in a minute, twice in a moment, but never in a thousand years.
Choices: The sun; An eclipse; A Solstice; The letter M
Answer: The letter M
Category: brain-teasers
Question: With a red beard, gray mustache and black sideburns, the man had a distinct HIRSUTE quality. What does hirsute mean?
Choices: hairy, shaggy, covered in hair; mysterious, always in disguise; eccentric; multicolored
Answer: hairy, shaggy, covered in hair
Category: brain-teasers
Question: Stacy was extremely annoyed by Jills PECCADILLO. Jill constantly ate food with her mouth open. What does the word peccadillo mean?
Choices: chewing loudly; vegetarian; disgusting manners; a petty fault
Answer: a petty fault
Category: brain-teasers
Question: DERIDE means to laugh at someone with contempt.
Choices: False; True
Answer: True
Category: brain-teasers
Question: Jerry was worried he would mumble and slur his words, so he had to go slowly and try to ENUNCIATE each word. Words might get lost if you dont enunciate. What does enunciate mean?
Choices: shout and project; mask drunkenness; pronounce articulately; mime and gesticulate
Answer: pronounce articulately
Category: brain-teasers
Question: Annas brother took his AVUNCULAR duties very seriously. He taught her children how to read, write and speak German. What does avuncular mean?
Choices: Adjective of a mentor; Qualities of a Germanic monk; Adjective of a father; Adjective of an uncle
Answer: Adjective of an uncle
Category: brain-teasers
Question: When Jack and Jill went to see The Notebook, Jill was surprised at Jacks obvious display of his LACHRYMOSITY. What was Jack doing?
Choices: talking loudly; crying; laughing; sleeping
Answer: crying
Category: brain-teasers
Question: A CHORTLE is an tool used to cut pastry dough.
Choices: False; True
Answer: False
Category: brain-teasers
Question: The rancid meat attracted flies and maggots and wafting from it was a FETID odor. What is the meaning of fetid?
Choices: stinking; chemical; sweet; food
Answer: stinking
Category: brain-teasers
Question: The king required FEALTY from all his vassals. What does the word fealty mean?
Choices: allegiance; food; payment, rent; livestock
Answer: allegiance
Category: brain-teasers
Question: The siblings were complete opposites. Tom was pedantic and read all the time and Lucy was LUDIC. She was always getting mud on her clothes. What is the meaning of ludic?
Choices: outdoor-loving; playful; clumsy; illiterate
Answer: playful
Category: brain-teasers
Question: The vegetable rhubarb is delicious but its leaves are poisonous. What did rhubarb originally mean?
Choices: edible poison; beware; root of the barbarian; poisoned ruby
Answer: root of the barbarian
Category: brain-teasers
Question: What modern slang term once meant a carnival worker who performed disgusting tasks such as biting off the heads of live chickens?
Choices: Nerd; Geek; Dork; Freak
Answer: Geek
Category: brain-teasers
Question: What is heavier a pound of bricks or a pound of feathers?
Choices: There is no way to tell; The feathers; Their weight is equal; The bricks
Answer: Their weight is equal
Category: brain-teasers
Question: A farmer had 20 sheep. All but 8 died. How many are still alive?
Choices: 0; 12; 15; 8
Answer: 8
Category: brain-teasers
Question: In a house with a maid, a mail receiver, and a chef, the owner was murdered on a Sunday morning. The police questioned all the 3 people (the chef, the mail receiver, and the maid). The chef said; I was making her breakfast. The mail receiver said; I was getting the mail., and finally the maid said; I was cleaning her living room. The police arrested one of them right after the interview. Who got arrested?
Choices: The maid; The mail receiver; The chef; She committed suicide
Answer: The mail receiver
Category: brain-teasers
Question: There is a branch with 10 birds on it. I shot 2 of them and then 1 more. How many birds are left on the branch?
Choices: 0; 2; 8; 7
Answer: 0
Category: brain-teasers
Question: If you have in your suitcase 6 white socks, 4 red socks, 8 green socks, and 2 brown socks, how many socks would you have to pull out (without looking at them) to be sure you have a matching pair?
Choices: 6; 8; 4; 5
Answer: 5
Category: brain-teasers
Question: Joe had 29 pairs of socks. How many socks did he have?
Choices: 60; 58; 56; 29
Answer: 58
Category: brain-teasers
Question: One camera could take 350 pictures and Bob bought 3 cameras of the same type. How many pictures could he take?
Choices: 700; none; 1050; 350
Answer: 1050
Category: brain-teasers
Question: One iPod can hold 950 songs and 3 movies. How many iPods of this model would one person have to buy to have 27 movies and 8550 songs?
Choices: 8; 10; 7; 9
Answer: 9
Category: brain-teasers
Question: In an office building, there are 350 windows and half as many doors. How many doors are there in 3 office buildings?
Choices: 525; 500; 550; 575
Answer: 525
Category: brain-teasers
Question: A monster had double the amount of eyes he had ears, triple the amount of ears he had legs, and had six legs. How many eyes did he have?
Choices: 34; 26; 36; 41
Answer: 36
Category: brain-teasers
Question: If I had $654,987, how much change is that?
Choices: 66,345,200 cents; 65,783,500 cents; 65,498,700 cents; 65,577,200 cents
Answer: 65,498,700 cents
Category: brain-teasers
Question: In a rectangular room there are 10 chairs. It is possible to arrange the chairs in such a way so that an equal number of chairs is set against each wall of the room.
Choices: False; True
Answer: True
Category: brain-teasers
Question: Five years ago the sum of the age of a sister and a brother was 8. What will be the same sum in 5 years?
Choices: It will not change.; 18; 13; 28
Answer: 28
Category: brain-teasers
Question: In a room, there can be two mothers and two daughters, three women in total.
Choices: True; False
Answer: True
Category: brain-teasers
Question: A woman once said about a man, I am not his wife but this mans mother is the mother-in-law of my mother. What were the man and the woman?
Choices: A daughter and a grandfather; A brother and a sister; A daughter and a father; A mother and a son
Answer: A daughter and a father
Category: brain-teasers
Question: A cowboy was looking after 100 animals (oxen, cows and calves). For his job he was paid $100 (for every ox he received $10, for every cow $5 and for every calf $0.5). How many were the oxen, the cows and the calves?
Choices: 9 oxen, 1 cow, 10 calves; 10 oxen, 10 cows, 10 calves; 1 ox, 9 cows, 90 calves; 3 oxen, 50 cows, 47 calves
Answer: 1 ox, 9 cows, 90 calves
Category: brain-teasers
Question: A farmer had 9 cows. The first one produced 1 gallon of milk, the second one 2 gallons and so on. The ninth cow produced 9 gallons of milk. The farmer had three sons and he wanted to divide the cows in such a way that each of his sons received an equal number of cows and the cows of each produced an equal amount of milk. Is that possible?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: In a lake there were lilies. The strange thing about them was that they doubled their number once per day. If on the 15th day half of the lake was covered with lilies, on which day will the whole lake be covered with them?
Choices: 22; 16; 7; 30
Answer: 16
Category: brain-teasers
Question: A peasant buys a pregnant sheep, which gave birth to a lamb. At the age of 3, the lamb gives birth to another lamb. After that it starts bearing a lamb per year. How many sheep will the peasant have 9 years after the birth of the first lamb if all the lambs are female and none of them ever dies?
Choices: 54; 78; 60; 97
Answer: 60
Category: brain-teasers
Question: A farmer had a yard, whose shape was a square, and in the four corners of this square there were apple trees. Some years later the farmer decided to make his yard twice as big and preserve the square shape. However, after the enlargement the four apple trees were still by the fence.
Choices: False; True
Answer: True
Category: brain-teasers
Question: Marsha dug her FUNEREAL attire out of the closet. It consisted of a black dress and a black overcoat. What does funereal mean?
Choices: monotoned; frumpy; oversized; having to do with a funeral
Answer: having to do with a funeral
Category: brain-teasers
Question: The newly blooming lavender was a HARBINGER of spring. It was beautiful and fragrant. What does harbinger mean?
Choices: an ode; rebirth; pleasant to the senses; a sign of things to come
Answer: a sign of things to come
Category: brain-teasers
Question: Her passion for art bordered on pathological MONOMANIA. Shes a sculptor, studies medieval art in night classes, frequents galleries and is often caught doodling in a notebook. What does monomania mean?
Choices: excessively busy; excessive concentration one one subject; extremely wealthy; patronising culture
Answer: excessive concentration one one subject
Category: brain-teasers
Question: It wasnt accidental it was pure KISMET that Joey fell in love with Laura. What does kismet mean?
Choices: fate, destiny; contrived, forced; planned; a happy accident
Answer: fate, destiny
Category: brain-teasers
Question: Because Ben travels to many countries for business, he has written a POLYGLOT lexicon for himself. It contains quick references on phrases he might need in any given situation. What does polyglot mean?
Choices: containing many maps; containing many words; containing many languages; pertaining to business ventures
Answer: containing many languages
Category: brain-teasers
Question: A QUAGMIRE is a difficult or precarious situation.
Choices: True; False
Answer: True
Category: brain-teasers
Question: The fortune teller persuaded Anna that she needed a PHILTER to gain the attention of her beau. She only needed to apply the elixir and think of him. What does PHILTER mean?
Choices: love potion; medicinal cream; makeup; alcoholic beverage
Answer: love potion
Category: brain-teasers
Question: Matt and Julie asked their son How was your day at school? and they always received the same BRUSQUE answer-fine. Brusque means habitual, constant, the same.
Choices: True; False
Answer: False
Category: brain-teasers
Question: Jack grabbed Janets hand and they began to GAMBOL in the sunshine. They felt like children, not a care in the world. What does gambol mean?
Choices: to wager money on an outcome; to sing  a duet; to have sex; to frolic and leap playfully
Answer: to frolic and leap playfully
Category: brain-teasers
Question: To ESCHEW something means to be attracted to it.
Choices: True; False
Answer: False
Category: brain-teasers
Question: After a long walk, two sons and two fathers find three apples. Each of them has an apple and they all go their way. How is that possible?
Choices: they were a boy, his father and his grandfather; the sons were cousins; one of them had a hidden apple; the sons were twins
Answer: they were a boy, his father and his grandfather
Category: brain-teasers
Question: The name of what is coded in the following: 86,smopuim?
Choices: it does not mean anything; the name of a software product; a NASA aircraft; a secret CIA project
Answer: the name of a software product
Category: brain-teasers
Question: Five girls are sitting next to each other on a train.  Ann and Betty are as close to each other as Ann and Kate are.  Dana and Ann are sitting as close to each other as Dana and Kate are. Between which two of her friends is the fifth girl, Jane, sitting?
Choices: between Dana and Betty; between Ann and Betty; between Betty and Kate; between Kate and Dana
Answer: between Ann and Betty
Category: brain-teasers
Question: What number multiplied by 10 equals the square of the same number, times 5?
Choices: 4; 5; 2; 10
Answer: 2
Category: brain-teasers
Question: Bob has a book of 100 pages and in 10 seconds he can count out 10 pages. What is the shortest time in which Bob can define where the 60th page is?
Choices: 40 seconds; 59 seconds; 15 seconds; 60 seconds
Answer: 40 seconds
Category: brain-teasers
Question: Two people get to a river and find a boat capable of accommodating only one person. Using this boat, both of them manage to cross the river. If they crossed without any of the them swiming the river which of the following is true?
Choices: The river was wider than longer.; This is impossible.; They were on different banks of the river.; There was a bridge on the river.
Answer: They were on different banks of the river.
Category: brain-teasers
Question: Which term refers to a king or prince in India?
Choices: raja; haraj; majah; namaste
Answer: raja
Category: brain-teasers
Question: Complete the Latin term for an unacceptable person: persona non _____.
Choices: dedicata; accepta; grata; ingrata
Answer: grata
Category: brain-teasers
Question: There are 15 birds sitting on the branches of a tree. A hunter goes by and shoots 3 of them. How many birds are left on the tree?
Choices: 12; 10; 3; 0
Answer: 0
Category: brain-teasers
Question: A man walked by an old fisherman and asked him how many fish he had caught. The fisherman replied: The half of the eight, the nine without its tail, and the six without its head. How many fish did the fisherman caught?
Choices: 9; 19; 6; 0
Answer: 0
Category: brain-teasers
Question: A tree is 20 meters tall. An ant is climbing it. Every day the ant climbs 5 meters, and each night it descends 4 meters. In how many days will the ant reach the top of the tree?
Choices: 10; 13; 20; 16
Answer: 16
Category: brain-teasers
Question: A bar of soap is placed on one of the sides of a pair of scales. On the other side there is 3/4 of a bar of the same soap and Ð° 3/4 kg metal weight. The scales are in balance. How much does a bar of soap weigh?
Choices: 2 kg; 1 kg; 4 kg; 3 kg
Answer: 3 kg
Category: brain-teasers
Question: There are three sorts of apples in a basket. How many apples have to be taken from the basket, without looking, to be sure that there are at least 2 apples of the same sort?
Choices: 3; 4; 10; 8
Answer: 4
Category: brain-teasers
Question: A boy and a pig weigh as much as 5 crates. The pig weighs as much as 4 cats. 2 cats and the pig weigh as much as 3 crates. How many cats weigh as much as the boy?
Choices: 5 cats; 6 cats; 8 cats; 9 cats
Answer: 6 cats
Category: brain-teasers
Question: A fish costs a dollar and half a fish. How much do 5 fish cost?
Choices: $20; $10; $15; $5
Answer: $10
Category: brain-teasers
Question: There are three lemons. One of them is lighter than the other two, which have the same weight. Can we tell which of the lemons is the lighter one with just one measurement on the scales?
Choices: No; Yes
Answer: Yes
Category: brain-teasers
Question: A father has seven sons, and each son has one sister. How many children does the father have?
Choices: 15; 9; 14; 8
Answer: 8
Category: brain-teasers
Question: Several rabbits and hens are placed together in a cage. How many rabbits and hens are there, if the total number of their heads is 35, and the combined number of their legs is 94?
Choices: 10 rabbits and 24 hens; 13 rabbits and 20 hens; 12 rabbits and 23 hens; 20 rabbits and 13 hens
Answer: 12 rabbits and 23 hens
Category: brain-teasers
Question: Is there a kind of coat that can only be put on wet?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: 10% of all the people living in a certain town in Georgia have unlisted phone numbers. If you selected 100 names at random from the towns phone book, on average, how many of these people would have unlisted phone numbers?
Choices: 0%; 15%; 35%; 10%
Answer: 0%
Category: brain-teasers
Question: A magician had a water glass filled to the top. Holding the glass above his head he let it drop to the floor without spilling a single drop of water. Is this possible?
Choices: No; Yes
Answer: Yes
Category: brain-teasers
Question: Can you take a picture of a person with a wooden leg?
Choices: No; Yes
Answer: No
Category: brain-teasers
Question: Is it  possible to name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: You are on a ship and over the side hangs a rope ladder with one foot rungs. The tide rises a one foot per hour. At the end of five hours, how much of the ladder will remain above the water assuming that 12 rungs were above the water when the tide began to rise?
Choices: none; 7 rungs; 5 rungs; 12 rungs
Answer: 12 rungs
Category: brain-teasers
Question: This is a gun dog breed which is subdivided into Springer, Cocker, Cavalier King Charles, etc.
Choices: Collie; Spaniel; Labrador; Alsatian
Answer: Spaniel
Category: brain-teasers
Question: What family of animals has species called Oryx, Duiker, Dik-dik and Impala?
Choices: Llamas; Antelope; Deer; Buffalo
Answer: Antelope
Category: brain-teasers
Question: What is the only venomous snake native to the British Isles?
Choices: Fox Snake; Bog Viper; Pembrokeshire Whip-snake; Adder
Answer: Adder
Category: brain-teasers
Question: This animal, also known as Suricate, is a member of the mongoose family. It has a long, thin tail which is used for balance when standing on hind legs. It lives underground in colonies of up to 30 individuals that operate an early warning system where sentries stand guard beside the burrow entrances and warn of approaching danger from predators.
Choices: Meerkat; Marmoset; Aye-aye; Jackrabbit
Answer: Meerkat
Category: brain-teasers
Question: This majestic bird can be golden, bald and tawny. One of the species is a symbol of the United States of America.
Choices: Cuckoo; Eagle; Vulture; Owl
Answer: Eagle
Category: brain-teasers
Question: What is the name of the white crystalline sugar found in wood and straw?
Choices: Xylene; Xylem; Xylose; Xenon
Answer: Xylose
Category: brain-teasers
Question: What is the name of the characters that have appeared in Brian Herberts Legends of Dune universe, Disneys Aladdin and the video game System Shock 2?
Choices: Xebec; Xeric; Xerxes; Xhosa
Answer: Xerxes
Category: brain-teasers
Question: What X-word means a colourless, flammable liquid ingredient used to make synthetic resins, dyes and insecticides?
Choices: Xylose; Xylem; Xylene; Xenon
Answer: Xylene
Category: brain-teasers
Question: Is xenophobia a fear of artificial lights?
Choices: No; Yes
Answer: No
Category: brain-teasers
Question: What plant tissue conducts water and mineral salts from its roots to other parts of the plant and also provides mechanical support?
Choices: Xylose; Xylene; Xebec; Xylem
Answer: Xylem
Category: brain-teasers
Question: Which word refers to a colourless, odourless gaseous element that occurs in trace amounts in air?
Choices: Xylose; Xenon; Xanthene; Xylene
Answer: Xenon
Category: brain-teasers
Question: Were X-rays at one time proposed to be called RÃ¶ntgen rays?
Choices: Yes; No
Answer: Yes
Category: brain-teasers
Question: When you add 55 and 45 the sum is 100. When you add 65 and 35 the sum is also 100. But which is greater: 55 multiplied by 45 or 65 multiplied by 35?
Choices: 55 multiplied by 45; They are equal.; 65 multiplied by 35; None of these
Answer: 55 multiplied by 45
Category: brain-teasers
Question: Two doctors and two mothers went to an ice cream shop. Each one of them ordered different flavors. The waiter then gave them one chocolate, one vanilla, and one strawberry and everybody on the table had an ice cream. Is this possible?
Choices: No; Yes
Answer: Yes
Category: brain-teasers
Question: Two children were on their way to school, when they began to question what day of the week it was. They were so confused in their reckoning that one of them gave the following riddle to help sort the matter out: When the day after tomorrow is yesterday, then today will be as far from Sunday as that day was which was today when the day before yesterday was tomorrow!
Choices:  which day of the week were the children heading to school?; Saturday; Sunday; Friday; Monday
Answer: Sunday
Category: brain-teasers
Question: We know very little about the life of the mathematician Diophantus (called the father of algebra) except that he lived around the year 250 B.C. Due to one admirer of his, who described his life by the means of an algebraic riddle, we can at least determine his age at death:
Choices: ophantuss youth lasted 1/6 of his life. He had his first beard in the next 1/12 of his life. At the end of the following 1/7 of his life Diophantus got married. Five years from then his son was born. His son lived exactly 1/2 of Diophantuss life. Diophantus died 4 years after the death of his son.; w long did Diophantus live?; 84 years; 96 years; 90 years; 72 years
Answer: 84 years
Category: brain-teasers
Question: My grandson is about as many days as my son is weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120  years. Can you tell me my age in years?
Choices: 65; 78; 72; 84
Answer: 72
Category: brain-teasers
Question: It was Emilys first day at school. The teacher suggested that it would be a good idea for each child to meet every other child in the class. The teacher said, When you meet, please shake hands and introduce yourself by name. If there were 10 children in the class, how many were the total handshakes?
Choices: 50; 45; 100; 55
Answer: 45
Category: brain-teasers
Question: A woman has 7 children, half of them are boys.
Choices: n this statement be true?; Yes; No
Answer: Yes
Category: brain-teasers
Question: Paul designs food displays for the local Supermarket. For one of his displays, he wants to set up soup cans in the form of a square pyramid. Hes decided to use 10 cans for each side of the square base of the pyramid. If each carton holds 25 soup cans, how many cartons will Paul need to open to build the pyramid?
Choices: 10; 15; 20; 16
Answer: 16
Category: brain-teasers
Question: A firefighter stood on the middle rung of a ladder, spraying water on a burning house. He then climbed up 6 rungs before the heat of the flames caused him to come down 10 rungs. After some minutes he was able to climb 18 rungs to the very top of the ladder. How many rungs did the ladder have?
Choices: 28; 14; 30; 29
Answer: 29
Category: brain-teasers
Question: A man burst into a police station soaking wet and started screaming My wife has been murdered, my wife has been murdered! A police officer asked what had happened and the man explained that when they were walking along the cliffs of the shore, he heard a big roll of thunder come out of nowhere. No further thunder washeard after the first one. He turned around startled to see what happened and then a huge bolt of lightning struck and he heard his wife scream. He turned around and saw his wife lying mangled on the sharp rocks at the bottom of the cliff, and he saw a man running away. Can the mans story be true?
Choices: No; Yes
Answer: No
Category: brain-teasers
Question: The stubs obtained by burning ten candles will yield one extra candle if you melt them all together. If you burned 100 candles, how many extra candles could you make?
Choices: 11; 8; 9; 10
Answer: 11
Category: brain-teasers
Question: How long did the Hundred years war last?
Choices: 110 years; 98 years; 116 years; 100 years
Answer: 116 years
Category: brain-teasers
Question: Cold is faster than hot.
Choices: False; True
Answer: False
Category: brain-teasers
Question: Its quarter past three. Of how many degrees is the angle formed by the hands of the clock at this moment?
Choices: 7.5; 180; 15; 0
Answer: 7.5
Category: brain-teasers
Question: Charlie asked Margaret how old she was and she answered him: In two years I will be twice as old as I was five years ago. How old is she?
Choices: 12; 6; 7; 24
Answer: 12
Category: brain-teasers
Question: A mother has 6 daughters and each of them has a brother. How many children are there?
Choices: 6; 7; 12; 10
Answer: 7
Category: brain-teasers
Question: What is the next letter in the sequence O, T, T, F, F, S, S, E,   ?
Choices: N; O; T; E
Answer: N
Category: brain-teasers
Question: You meet two men who are playing a game. One of them tells only lies on Monday, Tuesday and Wednesday, and during the rest of the week he speaks the truth. The other one lies only on Thursday Friday and Saturday and says the truth the rest of the time. Today they both say they were lying yesterday. Which day of the week is it?
Choices: Monday; Tuesday; Sunday; Thursday
Answer: Thursday