loafeihong/math_mmlu_format huggingface dataset:
The average temperature of the town in the first four days of a month was 56 degrees. The average for the second, third, fourth and fifth days was 60 degrees. If the temperatures of the first and fifth days were in the ratio 7 : 8, then what is the temperature on the fifth day ? Answer Choice: (A) 62 degrees (B) 64 degrees (C) 65 degrees (D) 128 degrees (E) 67 degrees
Answer: D
There was two trains from calcutta to kanyakumari one train is fast service travels with a speed 75km per hour another travels with a speed of 44km per hour the time taken to reach from calcutta to kanyakumari is 4hours less than the first train...find the distance b/w calcatta to kanyakumari Answer Choice: (A) 415.8 km (B) 425.8 km (C) 435.8 km (D) 445.8 km (E) 455.8 km
Answer: B
The arithmetic mean and standard deviation of a certain normal distribution are 16.2 and 2.3, respectively. What value is exactly 2 standard deviations less than the mean? Answer Choice: (A) 10.5 (B) 11 (C) 11.6 (D) 12 (E) 12.5
Answer: C
If 4a = 16b and 9b = 11c, Find a:b:c? Answer Choice: (A) 52:13:7 (B) 44:11:9 (C) 7:13:52 (D) 7:13:54 (E) None of these
Answer: B
A wooden cube whose edge length is 8 inches is composed of smaller cubes with edge lengths of one inch. The outside surface of the large cube is painted red and then it is split up into its smaller cubes. If one cube is randomly selected from the small cubes, what is the probability that the cube will have at least one red face? Answer Choice: (A) 46.3% (B) 50.4% (C) 54.2% (D) 57.8% (E) 61.3%
Answer: D
The speed of the boat in still water in 12 kmph. It can travel downstream through 39 kms in 3 hrs. In what time would it cover the same distance upstream? Answer Choice: (A) 3.5 hours (B) 6 hours (C) 4 hours (D) 5 hours (E) 6 hours
Answer: A
Two pipes P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill? Answer Choice: (A) 11 1/5 (B) 11 1/4 (C) 11 1/5 (D) 11 1/3 (E) 11 2/3
Answer: B
If a man lost 4% by selling oranges at the rate of 12 a rupee at how many a rupee must he sell them to gain 44%? Answer Choice: (A) 5 (B) 8 (C) 7 (D) 4 (E) 2
Answer: B
The length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area? Answer Choice: (A) 27.5% (B) 37.5% (C) 47.5% (D) 57.5% (E) 67.5%
Answer: B
If a certain sample of data has a mean of 20.0 and a standard deviation of 5.0, which of the following values is more than 2.5 standard deviations from the mean? Answer Choice: (A)  12.0 (B)  13.5 (C)  17.0 (D)  23.5 (E)  26.5
Answer: B
A store’s selling price of $2240 for a certain computer would yield a profit of 40 percent of the store’s cost for the computer. What selling price would yield a profit of 50 percent of the computer’s cost? Answer Choice: (A) $2400 (B) $2464 (C) $2650 (D) $2732 (E) $2800
Answer: A
The sum of 2 consecutive numbers is definitely: Answer Choice: (A) is odd (B) Divisible by 2. (C) Divisible by 3. (D) Divisible by 4. (E) Divisible by 5.
Answer: A
A train leaves station X at 5 a.m. and reaches station Y at 9 a.m. Another train leaves station Y at 7 a.m. and reaches station X at 10 : 30 a.m. At what time do the two trains cross each other ? Answer Choice: (A) 7 : 36 am (B) 7 : 56 am (C) 8 : 36 am (D) 8 : 56 am (E) None of these
Answer: B
An article is bought for Rs.575 and sold for Rs.900, find the gain percent? Answer Choice: (A) 73 1/3% (B) 63 1/3% (C) 33 1/3% (D) 93 1/3% (E) 56.5%
Answer: E
There are 100 boys in a hostel. Each plays either cricket or softball or both. If 60% play cricket and 50% play softball, how many play both? Answer Choice: (A) 20 (B) 50 (C) 10 (D) 100 (E) 60
Answer: C
How many 5 letter combinations can be made from the letters of the word VERMONT if the first letter has to be a consonant and the last letter has to be a consonant, and each letter can be used only once? Answer Choice: (A) 21 (B) 42 (C) 1500 (D) 600 (E) 720
Answer: C
A batsman scored 120 runs which included 3 boundaries and 8sixes. What % of his total score did he make by running between the wickets Answer Choice: (A) 30% (B) 50% (C) 60% (D) 80% (E) 90%
Answer: B
Hyderabad Chennai Mumbai Delhi Bangalore Trivandram ;
Hyderabad
Chennai
Mumbai
Delhi
Bangalore
Trivandram
In the table above, what is the least number of table entries that are needed to show the mileage between each city and each of the other five cities? Answer Choice: (A) 20 (B) 18 (C) 14 (D) 15 (E) 16
Answer: D
The average age of a group of 20 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group? Answer Choice: (A) 22 years (B) 30 years (C) 42 years (D) 32 years (E) None of these
Answer: C
A train traveled the first d miles of its journey it an average speed of 40 miles per hour, the next d miles of its journey at an average speed of y miles per hour, and the final d miles of its journey at an average speed of 160 miles per hour. If the train’s average speed over the total distance was 96 miles per hour, what is the value of y? Answer Choice: (A)  68 (B)  84 (C)  100 (D)  120 (E)  135
Answer: C
When ticket sales began, Pat was the mth customer in line for a ticket, and customers purchased their tickets at the rate of x customers per minute. Of the following, which best approximates the time, in minutes, that Pat had to wait in line from the moment ticket sales began? Answer Choice: (A) (m - 1) x (B) m + x –1 (C) (m-1)/x (D) x/(m-1) (E) m/(x-1)
Answer: C
Which of the following coordinates are on the line segment connecting (5, 6) and (21, 18)? Answer Choice: (A)  (9, 9) (B)  (12, 12) (C)  (13, 13) (D)  (12, 13) (E)  (16, 15)
Answer: A
Of the 800 employees of Company X, 70 percent have been with the company for at least ten years. If y of theselong-termmembers were to retire and no other employee changes were to occur, what value of y would reduce the percent oflong-termemployees in the company to 40 percent ? Answer Choice: (A) 200 (B) 160 (C) 400 (D) 80 (E) 56
Answer: C
If a = 4p, where p is a prime number greater than 2, how many different positive even divisors does a have, including a ? Answer Choice: (A)  Two (B)  Three (C)  Four (D)  Six (E)  Eight
Answer: C
Mr. Jones sold two pipes at $1.20 each. Based on the cost, his profit one was 20% and his loss on the other was 20%. On the sale of the pipes, he: Answer Choice: (A) broke even (B) lost 4 cents (C) gained 4 cents (D) lost 10 cents (E) gained 10 cents
Answer: A
Six points are marked on a straight line and five points are marked on another line which is parallel to the first line. How many straight lines, including the first two, can be formed with these points? Answer Choice: (A) 29 (B) 33 (C) 55 (D) 30 (E) 32
Answer: E
The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:
Explanation: Answer Choice: (A) 101 (B) 107 (C) 111 (D) 117 (E) 121
Answer: C
John and Lewis leave City A for City B simultaneously at 6 A.M in the morning driving in two cars at speeds of 40 mph and 60 mph respectively. As soon as Lewis reaches City B, he returns back to City A along the same route and meets John on the way back. If the distance between the two cities is 240 miles, how far from City A did John and Lewis meet? Answer Choice: (A) 150 miles (B) 160 miles (C) 140 miles (D) 170 miles (E) 200 miles
Answer: B
Rahul's Mathematics test had 85 problems, 10 arithmetic, 30 algebra, 35 geometry problems.
Although he answered 70% of arithmetic, 40% of arithmetic and 60% of geometry problems correctly,
still he got less than 60% problems right. How many more questions he would have to answer more to get
passed Answer Choice: (A) 5 (B) 6 (C) 7 (D) 8 (E) 11
Answer: E
For an employee to qualify for early retirement at a certain company, the sum of the employee’s age and years of service must be at least 74, If Sue was K years old when she was hired by the company, what is the minimum age at which she could possibly qualify for early retirement? Answer Choice: (A) K+37 (B) 2K+37 (C) (74+K)/2 (D) (74-K)/2 (E) 2(74-K)
Answer: C
Find the number, difference between number and its 3/5 is 50. Answer Choice: (A) 110 (B) 125 (C) 120 (D) 140 (E) 145
Answer: B
Every Monday, Marina eats one croissant and every Tuesday she eats two croissants. On each subsequent day of the week, she eats a number of croissants equal to the sum of the croissants eaten on the two previous days, with the exception that if she eats more than four croissants on any particular day, the next day she will eat only one croissant. At the end of the week (which runs from Monday through Sunday), the cycle resets, and Marina goes back to eating one croissant on Monday, two on Tuesday, and so forth. If a particular month begins on a Tuesday, how many croissants will Marina eat on the 24th of that month? Answer Choice: (A) 1 (B) 2 (C) 3 (D) 5 (E) 6
Answer: D
If x and y are integers and xy = 660, x or y must be divisible by which of the following numbers? Answer Choice: (A) 4 (B) 6 (C) 11 (D) 20 (E) 30
Answer: C
A leak in the bottom of a tank can empty the tank in 6 hrs. An pipe fills water atthe rate of 4 ltrs/min. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hrs. The capacity of the tank is? Answer Choice: (A) 4670 (B) 4546 (C) 4556 (D) 4675 (E) 5760
Answer: E
How long will it take a sum of money invested at 20% p.a. S.I. to increase double the value? Answer Choice: (A) 12 years. (B) 8 years. (C) 15 years. (D) 13 years. (E) 10 years.
Answer: E
One tap can fill a water tank four times as fast as another tap. If together the two taps can fill the water tank in 30 minutes then the slower tap alone will be able to fill the water tank in _______ . Answer Choice: (A) 120 min (B) 150 min (C) 170 min (D) 190 min (E) 250 min
Answer: B
The speed of a train is 102 kmph. What is the distance covered by it in 30 minutes? Answer Choice: (A) 50 kmph (B) 51 kmph (C) 41 kmph (D) 61 kmph (E) 21 kmph
Answer: B
How much simple interest per annum can I negotiate with my Bank so My Family can pay back in 40 years at most double of the money we will borrow. Answer Choice: (A) 4 (B) 5 (C) 2.5 (D) 4.5 (E) 2
Answer: C
A certain pilot flew 400 miles to City K at an average speed of 550 miles per hour with the wind and made the trip back at an average speed of 250 miles per hour against the wind. Which of the following is closest to the pilot’s average speed, in miles per hour, for the round-trip? Answer Choice: (A) 280 (B) 290 (C) 300 (D) 310 (E) 340
Answer: E
It is required to fix a pipe such that water flowing through it at a speed of 7 metres per minute fills a tank of capacity 1760 cubic metres in 10 minutes. The inner radius of the pipe should be : Answer Choice: (A) √2 m (B) 2 m (C) 1⁄2 m (D) 2√2 m (E) None of these
Answer: D
If x and y are positive integers and 18x=12y what is the least possible value of xy? Answer Choice: (A)  14 (B)  28 (C)  36 (D)  84 (E)  252
Answer: C
Let q represent the integer length of a side of a triangle. If r represents the number of distinct values for q such that we can create a triangle with lengths q, 12, and 19, what is the value of r? Answer Choice: (A) 15 (B) 22 (C) 23 (D) 25 (E) 31
Answer: C
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The sum of the first 54 positive even integers is 2550. What is the sum of the even integers from 94 to 200 inclusive? Answer Choice: (A) 5,100 (B) 7,938 (C) 10,100 (D) 15,500 (E) 20,100
Answer: B
II - IV + IX = 200
VI + I - V= 100
II - VI + VII = 150
Then,
VII + II + III = ? Answer Choice: (A) 350 (B) 220 (C) 150 (D) 230 (E) 450
Answer: E
Benny goes to the market for buying some apples to be distributed between her nine kids equally.She takes 360 dollars with her .The cost of each apple is 4 dollars .How many apples does she buy to share them equally between her twelve kids? Answer Choice: (A) 7.5 (B) 9 (C) 3.5 (D) 7.2 (E) 10
Answer: A
Three numbers are in the ratio 1 : 2 : 3 and their H.C.F is 6. The numbers are Answer Choice: (A) 12, 24, 30 (B) 12, 24, 38 (C) 12, 24, 362 (D) 6, 12, 18 (E) 12, 24, 321
Answer: D
The C.P of 40 pens is equal to the S.P of 60 pens. Find his gain % or loss% Answer Choice: (A) 25 2/3 (B) 32 1/3 (C) 33 1/3 (D) 25 1/3 (E) 33 2/3
Answer: C
A person buys an article at $380. At what price should he sell the article so as to make a profit of 25%? Answer Choice: (A) 445 (B) 449 (C) 475 (D) 740 (E) 460
Answer: C
In a school of 320 students, 85 students are in the band, 200 students are on sports teams, and 60 students participate in both activities. How many students are involved in either band or sports? Answer Choice: (A) 220 (B) 225 (C) 230 (D) 240 (E) 245
Answer: B
A box contains three pairs of blue gloves and two pairs of green gloves. Each pair consists of a left-hand glove and a right-hand glove. Each of the gloves is separate from its mate and thoroughly mixed together with the others in the box. If three gloves are randomly selected from the box, what is the probability that a matched set (i.e., a left- and right-hand glove of the same color) will be among the three gloves selected? Answer Choice: (A) 3/10 (B) 23/60 (C) 7/12 (D) 41/60 (E) 5/6
Answer: D
If all the numbers between 11 and 100 are written on a piece of paper. How many times will the number 4 be used? Answer Choice: (A) 87 (B) 267 (C) 68 (D) 26 (E) 21
Answer: A
A dessert recipe calls for 50% melted chocolate and 50% raspberry puree to make a particular sauce. A chef accidentally makes 15 cups of the sauce with 40% melted chocolate and 60% raspberry puree instead. How many cups of the sauce does he need to remove and replace with pure melted chocolate to make the sauce the proper 50% of each? Answer Choice: (A) 1.5 (B) 2.5 (C) 3 (D) 4.5 (E) 5
Answer: B
Find the value for m?
19(m + n) + 17 = 19(-m + n) - 21 Answer Choice: (A) 0 (B) -1 (C) 1 (D) 2 (E) 3
Answer: B
In the interior of a forest, a certain number of apes equal to the square of one-eighth of the total number are playing and having great fun. The remaining sixteen apes are on a hill and the echo of their shrieks by the adjoining hills frightens them. They came and join the apes in the forest and play with enthusiasm. What is the total number of apes? Answer Choice: (A) 32 (B) 16 (C) 64 (D) 80 (E) 16 or 48
Answer: A
Ten percent of the women in a college class are science majors, and the non-science majors make up 60% of the class. What percentage of the men are science majors if 40% of the class are men? Answer Choice: (A) 45% (B) 55% (C) 65% (D) 75% (E) 85%
Answer: E
The incomes and expenditures of P, Q, R are in the ratio of 6 : 8 : 11 and 5 : 8 : 12 respectively. If P saves 1/4th of his income, what is the ratio of the savings of P, Q and R ? Answer Choice: (A) 15 : 8 : 2 (B) 19 : 7 : 9 (C) 7 : 15 : 10 (D) 12 : 9 : 17 (E) None of these
Answer: A
Evaluate : 1024 x 237 + 976 x 237 Answer Choice: (A) 486000 (B) 568000 (C) 378000 (D) 474000 (E) None of them
Answer: D
A tradesman by means of his false balance defrauds to the extent of 30%? in buying goods as well as by selling the goods. What percent does he gain on his outlay? Answer Choice: (A) 79% (B) 58% (C) 44% (D) 69% (E) 43%
Answer: D
If the cost price of 12 articles is same as the selling price of 25 articles. Find the gain or loss percentage? Answer Choice: (A) 30% Gain (B) 30% Loss (C) 40% Gain (D) 40% Loss (E) 52% Loss
Answer: E
In a sample of high school students, 20 percent are sophomores, and 65 percent are not freshmen. What percentage of the high school students are juniors or seniors? Answer Choice: (A) 15 (B) 25 (C) 35 (D) 45 (E) 55
Answer: D
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length? Answer Choice: (A) 12.5 (B) 12.1 (C) 12.9 (D) 12.3 (E) 12.2
Answer: B
How many days per calendar year is the month a factor of the day Answer Choice: (A) 0 (B) 1 (C) 45 (D) 90 (E) 101
Answer: C
The average marks scored by Ganesh in English, Science, Mathematics and History is less than 14 from that scored by him in English, History, Geography and Mathematics. What is the difference of marks in Science and Geography scored by him? Answer Choice: (A) 40 (B) 56 (C) 60 (D) Data inadequate (E) None of these
Answer: B
A train 150 metres long is moving at a speed of 25 kmph. It will cross a man coming from the opposite direction at a speed of 2 km per hour in : Answer Choice: (A) 20 sec (B) 32 sec (C) 36 sec (D) 38 sec (E) 40 sec
Answer: A
If 12 men do a work in 80 days, in how many days will 16 men do it? Answer Choice: (A) 60 (B) 30 (C) 50 (D) 40 (E) 20
Answer: A
The average age of 36 students in a group is 14 years. When teacher's age is included to it, the average increases by one. Find out the teacher's age in years? Answer Choice: (A) 51 years (B) 49 years (C) 53 years (D) 50 years (E) 52 years
Answer: A
If x and y are positive integers and y ≠ 1, then xy(y −1) is Answer Choice: (A) Always even (B) Always odd (C) Odd only when x is odd (D) Even only when y is even (E) Odd only when xy is odd
Answer: A
n is an integer chosen at random from the set
{1, 5 , 9, 11 }
p is chosen at random from the set
{2, 6, 10, 14, 18}
What is the probability that n + p = 15 ? Answer Choice: (A) 0.1 (B) 0.2 (C) 0.15 (D) 0.3 (E) 0.4
Answer: C
An empty fuel tank with a capacity of 200 gallons was filled partially with fuel A and then to capacity with fuel B. Fuel A contains 12% ethanol by volume and fuel B contains 16% ethanol by volume. If the full fuel tank contains 18 gallons of ethanol, how many gallons of fuel A were added? Answer Choice: (A) 160 (B) 150 (C) 100 (D) 80 (E) 350
Answer: E
If 36 men can do a piece of work in 25 hours, in how mwny hours will15 men do it? Answer Choice: (A) 33 (B) 38 (C) 60 (D) 88 (E) 22
Answer: C
Find the remainder when 3^27 is divided by 5? Answer Choice: (A) 3 (B) 2 (C) 4 (D) 1 (E) 5
Answer: B
If 9a - b = 10b + 80 = -12b - 2a, what is the value of 2a + 22b? Answer Choice: (A) -4 (B) -2 (C) - 80 (D) 2 (E) 4
Answer: C
Find the area of trapezium whose parallel sides are 20 cm and 18 cm long, and the distance between them is 15 cm. Answer Choice: (A) 456 (B) 234 (C) 285 (D) 342 (E) 213
Answer: C
A trader sells two brands of petrol; one is Extra Premium and other one is speed. He mixes 12 litres Extra Premium with 3 litres of speed and by selling this mixture at the price of Extra Premium he gets the profit of 9.09. If the price of Extra Premium Rs. 48 per litre, then the price of Speed is: Answer Choice: (A) Rs. 38 per litre (B) Rs. 42 per litre (C) Rs. 28 per litre (D) Rs. 28 per litre (E) None of These
Answer: C
A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current? Answer Choice: (A) 3 kmph (B) 1.5 kmph (C) 13 kmph (D) 6.5 kmph (E) 7.5 kmph
Answer: B
a man have 8 t-shirt and some pant.he can dress in 72 ways.then tell me the no. of pant that man have. Answer Choice: (A) 8 (B) 9 (C) 10 (D) 11 (E) 12
Answer: B
If the operation € is defined for all x and y by the equation x € y = 2*x*y, then 6 € (4 € 5) = Answer Choice: (A) 480 (B) 120 (C) 160 (D) 240 (E) 360
Answer: A
The line r ≡ 3x + ny − 7 = 0 passes through the point A = (3, 2) and is parallel to the line s ≡ mx + 2y − 13 = 0. Calculate the values of m and n. Answer Choice: (A) -6,-1 (B) -3,-2 (C) 3,2 (D) 6,1 (E) 7,2
Answer: A
Present ages of Abi and Suji are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Suji's present age in years? Answer Choice: (A) 20 (B) 21 (C) 22 (D) 23 (E) 24
Answer: E
A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey? Answer Choice: (A) 7 kmph (B) 4 kmph (C) 8 kmph (D) 3 kmph (E) 9 kmph
Answer: B
1 quarter Kg of potatoes cost 60 paise. Calculate the cost of 200 grams Answer Choice: (A) 48 paise (B) 77 paise (C) 96 paise (D) 66 paise (E) 55 paise
Answer: A
In how many ways can you line up 7 apples in a row if one of them cannot be in the middle or at the either end? Answer Choice: (A) 1,790 (B) 52 (C) 2,880 (D) 98 (E) 2,560
Answer: C
A trader owes a merchant Rs. 10,028 due 1 year hence. The trader wants to settle the account after 3 months. If the rate of interest is 12% per annum,how much cash should he pay ? Answer Choice: (A) Rs. 9025.20 (B) Rs. 9200 (C) Rs. 9600 (D) Rs. 9560 (E) None of these
Answer: B
The "prime sum" of an integer n greater than 1 is the sum of all the prime factors of n, including repetitions. For example , the prime sum of 12 is 7, since 12 = 2 x 2 x 3 and 2 +2 + 3 = 7. For which of the following integers is the prime sum greater than 35 ? Answer Choice: (A) 440 (B) 512 (C) 620 (D) 700 (E) 750
Answer: C
A and B are two stations 390 km apart. A train starts from A at 10 a.m. and travels towards B at 65 kmph. Another train starts from B at 11 a.m. and travels towards A at 35 kmph. At what time do they meet? Answer Choice: (A) 2.15 p.m (B) 1.15 p.m (C) 4.15 p.m (D) 3.15 p.m (E) 12.15 p.m
Answer: A
The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is ? Answer Choice: (A) 9! * ⁷P₆ (B) 6! * ⁷P₆ (C) 9! * ⁷P₆ (D) 6! * ⁷9₆ (E) 7! * ⁷P₆
Answer: B
Solve below question 2x + 1 = -15 Answer Choice: (A) -8 (B) -9 (C) 9 (D) 8 (E) -7
Answer: A
If Sam shares his books in the ratio of 1/8 : 1/9 : 1/10 : 1/11 between his four friends A, B, C and D, then find the total number of books Sam should have? Answer Choice: (A) 1611 (B) 1692 (C) 1591 (D) 1691 (E) 16911
Answer: E
A sum of Rs. 2665 is lent into two parts so that the interest on the first part for 8 years at 3% per annum may be equal to the interest on the second part for 3 years at 5% per annum. Find the second sum? Answer Choice: (A) 2387 (B) 1640 (C) 2781 (D) 2778 (E) 1781
Answer: B
The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is? Answer Choice: (A) 23 (B) 25 (C) 27 (D) 31 (E) 35
Answer: A
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively . If they cross each other in 23 seconds, what is the ratio of their speeds? Answer Choice: (A) Insufficient data (B) 3 : 1 (C) 1 : 3 (D) 3 : 2 (E) 2 : 3
Answer: D
Sentence B can only be a concluding sentence; we find in the answer choice–b, a sequence of the sentences logically leading to the concluding sentence Answer Choice: (A) 17 (B) 88 (C) 171 (D) 19 (E) 111
Answer: B
35% of the people read newspaper X, 55% read newspaper Y and 15% read both the papers.What percentage of the people read neither newspaper ? Answer Choice: (A) 20% (B) 10% (C) 15% (D) 30% (E) 25%
Answer: E
5100−(102÷20.4)=? Answer Choice: (A) 5200 (B) 5150 (C) 5250 (D) 6150 (E) 5095
Answer: E
Two trains 130 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time which they take to cross each other is? Answer Choice: (A) 10.9 (B) 10.7 (C) 10.3 (D) 10.44 (E) 10.8
Answer: D
A car traveling at a certain constant speed takes 2 seconds longer to travel 1 kilometer than it would take to travel 1 kilometer at 900 kilometers per hour. At what speed, in kilometers per hour, is the car traveling? Answer Choice: (A) 671.5 (B) 600 (C) 672.5 (D) 673 (E) 773.5
Answer: B
In a sequence of 11 numbers, each term, except for the first one, is 11^11 less than the previous term. If the greatest term in the sequence is 11^12, what is the smallest term in the sequence?
Thus, A12 = A1+12-1d
Where d is the difference between each pairs of consecutive terms. Since each term is 1211 less than the previous term, d=-1211Click individual answer choices for specific explanations.
From what I undersltand the formula for an arithmetic sequence represents
some-number-in-the-sequence= first-number-in-sequence +the-place-of-that-number - 1x the-difference-of-each-#-in-the-sequence Answer Choice: (A) −12^11 (B) 0 (C) 11^11 (D) 11·12^11 (E) 12^12
Answer: C