MU-NLPC/Calc-aqua_rat huggingface dataset:
In 1995, the Johnsons spent $800 on the family’s water bills. Anticipating that water rates would increase in 1996 by 50%, the Johnsons cut back their water usage. By how much must the Johnsons have reduced their 1996 water usage to pay exactly the same amount Y in 1996 as they paid in 1995?	Choose one.
A) 33 1⁄3%  B) 40%  C) 50%  D) 66 2⁄3%  E) 100%

Solution: water rate increases by 50 % in 1996 means 150% of rate in 1995. to pay exactly the same amount in 1996 as they paid in 1995, water use should decrease in the same ratio   Y=150-> 100 means 1/3 rd= 33(1/3) %.33 1⁄3%
Answer: A
At what rate percent per annum will a sum of money double in 10years? Pick: A) 10% B) 15% C) 18% D) 20% E) 25%

Solution: Let principle = P   S.I. = P   T = 10yrs   Rate = 100*P/P*10 = 10%   10%nswer is 10%
Answer: A
If 3 ministers are to be seated at a round table conference, then how many different ways can they be seated? Options:
A) 24  B) 60  C) 2  D) 720  E) 180

Solution: Simple formula:   There are (n - 1)! ways to arrange n distinct objects in a circle.   so its  (3-1)= 
 (3-1) = 2
2!=2=2
Answer: C
If 3^x*4^y = 59,049 and x – y = 10, then x = ?  Choose the correct answer.
A) 10
B) 11
C) 12
D) 13
E) 14

Solution: Since 59,049 is an odd number, it is not a multiple of 4.   This means that y must equal zero.   Since x - y = 10 and y = 0, then x = 10.   The answer is 10.
Answer: A
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?
Choose one:
A) 12.8
B) 12.1
C) 12.7
D) 12.6
E) 12.2

Solution: Speed = 72 * 5/18= 
72 * 5/18 = 20
20 m/sec   Total distance covered= 110 + 132= 
110 + 132 = 242
242 m.   Required time= 242/20= 
242/20 = 121/10 = around 12.1
12.1 sec.   Answer: 12.1
Answer: B
Find the area of trapezium whose parallel sides are 20 cm and 18 cm long, and the distance between them is 15 cm? Choose the correct answer
A) 716 cm2	B) 176 cm2	C) 285 cm2	D) 751 cm2	E) 175 cm2

Solution: Area of a trapezium   = 1/2 (sum of parallel sides) * (perpendicular distance between them)   = 1/2 (20 + 18) * (15)   = 285 cm2   Answer: 285 cm2
Answer: C
40% of a number is more than 20% of 650 by 190. Find the number?  Pick: A) 228 B) 276 C) 800 D) 288 E) 121

Solution: (40/100) * X – (20/100) * 650 = 190   2/5 X = 320   X = 800   Answer:800
Answer: C
A train 130 m long is running with a speed of 60 km/hr. In what time will it pass a man who is running at 4 km/hr in the direction opposite to that in which the train is going?	Choices: A) 10 B) 6.5 C) 7 D) 7.13 E) 10.2

Solution: Speed of train relative to man = 60 +4= 
60 +4 = 64
64 km/hr.= 64* 5/18 = 160/9 m/sec.   Time taken to pass the men = 130 * 9/160 = 7.13 sec.   Answer: Option 7.13
Answer: D
Calculate how many days it will take for 8 boys to paint a 50 m long wall if 6 boys can paint a 60 m long wall in 5 days,
Choose the correct choice from the following answers.
A) 4.13 days  B) 3.13 days  C) 513 days  D) 9.13 days  E) 2 days

Solution: The length of wall painted by one boy in one day = 60 / 6 * 1/5= 
60 / 6 * 1/5 = 2
2 m   No. of days required to paint 50 m cloth by 8 boys= 50/ 8 *1/ 2 = 3.13 days.   3.13 days
Answer: B
If the number 517 * 324 is completely divisible by 3, then the smallest whole number in the place of * will be: Choose the correct choice from the following options:
A) 0
B) 1
C) 2
D) None of these
E) Cannot be determined

Solution: Explanation: Sum of digits = (5 + 1 + 7 + x + 3 + 2 + 4) = (22 + x), which must be divisible by 3.   x = 2.   Answer: Option 2
Answer: C
If 5log(4*5^2) = x, find x  Choices
A) 8  B) 6  C) 7  D) 10  E) 9

Solution: 5(log2^2*5^2)=x   5log(5*2)^2=x   5*2log(5*2)= 
(5*2) = 10
x   10log10=x   log10 base 10=1   so   10*1=x   x=10   ANSWER:10
Answer: D
Mangala completes a piece of work in 10 days, Raju completes the same work in 30 days. If both of them work together, then the number of days required to complete the work is?
Select.
A) 8 days  B) 10 days  C) 12 days  D) 14 days  E) 30/4 days

Solution: If A can complete a work in x days and B can complete the same work in y days, then, both   of them together can complete the work in x y/ x+ y days.   That is, the required No. of days = 10 Ã— 30/40 = 30/4 days   30/4 days)
Answer: E
How much interest can a person get on Rs. 8100 at 17.5% p.a. simple interest for a period of two years and six months?	Choose the correct option.
A) 3543.75
B) 3587.59
C) 3587.5
D) 3587.52
E) 3587.56

Solution: I = (8100 * 2.5 * 17.5)/100 = (8100 * 5 * 35)/(100 * 2 * 2) = Rs. 3543.75.3543.75nswer: 3543.75
Answer: A
By selling 150 mangoes, a fruit-seller gains the selling price of 30 mangoes. Find the gain percent?	Choose the correct choice from the following choices:
A) 22%
B) 25%
C) 28%
D) 87%
E) 16%

Solution: SP = CP + g   150 SP = 150 CP + 30 SP   120 SP = 150 CP   120 --- 30 CP   100 --- ? => 25%   Answer: 25%
Answer: B
If the number 481 * 673 is completely divisible by 9, then the smallest whole number in place of * will be:
Choose the correct option:  A) 5  B) 7  C) 6  D) 8  E) 9

Solution: Sum of digits = (4 + 8 + 1 + x + 6 + 7 + 3) = (29 + x), which must be divisible by 9.   x = 7.   7
Answer: B
If the denominator of a fraction is increased by 4, then the fraction becomes 5/8. If the numerator is 11 less than the denominator, find the numerator.	Choose the correct choice from the following answers:
A) 25
B) 20
C) 30
D) 15
E) 35

Solution: iniatial fraction=x/y;   after increasing deno..by 4=> x/(y+4)=5/8;   given x = y - 11;   then (y-11)/(y+4)=5/8=>y=36;   x = 36-11= 
36-11 = 25
25   25NSWER:25
Answer: A
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling alongthe oundary of the park at the speed of 12 km/hr completes one round in 8 min, then the area of the park (in sq. m) is?	Pick one.
A) 155600 m B) 123600 m C) 153600 m D) 123344 m E) 124556 m

Solution: Perimeter = Distance covered in 8 min. = 12000 x 8 m = 1600 m.   60   Let length = 3x metres and breadth = 2x metres.   Then, 2(3x + 2x) = 1600 or x = 160.   Length = 480 m and Breadth = 320 m.   Area = (480 x 320) m2 = 153600 m   153600 m
Answer: C
Ayesha's father was 28 years of age when she was born while her mother was 10 years old when her brother four years younger to her was born. What is the difference between the ages of her parents? Choose the correct choice from the following answers:
A) 22 years B) 44 years C) 46 years D) 88 years E) 10 years

Solution: Explanation:   Mother's age when Ayesha's brother was born = 10 years.   Father's age when Ayesha's brother was born = (28 + 4)= 
(28 + 4) = 32
32 years.   Required difference= (32 - 10)= 
(32 - 10) = 22
22 years.   22 yearsnswer: 22 years
Answer: A
In a graduate physics course, 70 percent of the students are male and 30 percent of the students are married. If one-sevenths of the male students are married, what fraction of the female students is single?	Choose the correct choice.
A) 1/3
B) 1/7
C) 1/2
D) 2/3
E) 5/7

Solution: let assume there are 100 students of which 70 are male and 30 are females   if 30 are married then 70 will be single.   now its given that two-sevenths of the male students are married that means 1/7 of 70 = 10 males are married   if 30 is the total number of students who are married and out of that 10 are males then the remaining 20 will be females who are married.   total females = 30   married females = 20   then single females = 30-20= 
30-20 = 10
10   we need to find the fraction of female students who are single i.e single female students / total female student= 10/30 = 1/3 [1/3]
Answer: A
When x is multiplied by 2, the result is 19 more than the result of subtracting x from 26. What is the value of x? Pick: A) -4 B) -2 C) 15 D) 13 E) 22

Solution: The equation that can be formed is:   2x-19=26-x   or, 3x=45   or, x=15.   15 answer.
Answer: C
A certain number X when divided by 243 leaves a remainder of 83. Which of the following can be subtracted from X to make X divisible by 82?
Pick
A) 17 B) 27 C) 37 D) 80 E) 57

Solution: Least possible value of the number is 243 + 83= 
243 + 83 = 326
326   Further it is given the number must be divisible by 82 .   326/82= Gives remainder as 80   So, 80 must be subtracted from the number , answer is (37)
Answer: C
When four fair dice are rolled simultaneously, in how many outcomes will at least one of the dice show 3?  Choose the correct choice from the following.
A) 233  B) 671  C) 287  D) 279  E) 171

Solution: Explanation:   When 4 dice are rolled simultaneously, there will be a total of 6 x 6 x 6 x 6 = 1296 outcomes.   The number of outcomes in which none of the 4 dice show 3 will be 5 x 5 x 5 x 5 = 625 outcomes.   Therefore, the number of outcomes in which at least one die will show 3 = 1296 – 625 = 671   Answer: 671) 671
Answer: B
There are 100 employees in a room. 99% are President. How many managers must leave the room to bring down the percentage of President to 98%? Choose the correct answer
A) 1
B) 2
C) 46
D) 50
E) 97

Solution: We have 99 Presidents and 1 director. That 1 director to compose 2% of the total number of people, there must be 50 people in the room, hence 50 Presidents must leave.   Answer: 2.
Answer: B
After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article? Choose the correct answer.
A) 1667
B) 6789
C) 1200
D) 6151
E) 1421

Solution: 1200P* (76/100)   = 912   1200P1200 * (76/100)= 
1200 * (76/100) = 912
912   1200P= 12 * 100= 
12 * 100 = 1_200
> 1200P= 1200   Answer: 1200
Answer: C
A committee of three students has to be formed. There are five candidates: Jane, Joan, Paul, Stuart, and Jessica. If Paul and Stuart refuse to be in the committee together and Jane refuses to be in the committee without Paul, how many committees are possible? Choose one:
A) 3	B) 4	C) 5	D) 6	E) 8

Solution: If Paul is in the committee : We must choose 2 out of 3 others (No Stuart) --> 3 ways   If Stuart is in the committee : No Paul & Hence no Jane, so the other 2 must be chose --> 1 way   If neither Paul nor Stuart are in the committee, 3 students left, but since no Paul, no Jane : No commitee possible   Answer : 4 4
Answer: B
Two trains 121 meters and 165 meters in length respectively are running in opposite directions, one at the rate of 80 km and the other at the rate of 65 kmph. In what time will they be completely clear of each other from the moment they meet?  Select:
A) 5.15 sec B) 7.15 sec C) 3.15 sec D) 8.15 sec E) 6.15 sec

Solution: 7.15 sec   7.15 sec   T = (121 + 165)/ (80 + 65) * 18/5   T = 7.15
Answer: B
If the price of a certain computer increased 30 percent from d dollars to 338 dollars, then 2d =
Choose the correct choice from the following:  A) 540  B) 520  C) 619  D) 649  E) 700

Solution: Before Price increase Price = d   After 30% Price increase Price = d+(30/100)*D = 1.3d = 338 (Given)   i.e. d = 338/1.3= 
338/1.3 = 260
$260   i.e. 2d= 2*260= 
2*260 = 520
520   Answer: option 520
Answer: B
Which of the following must be true?
1) Every prime number greater than 5 can be written as either as 3n+1 or 3n-1
2) Every prime number greater than 5 can be written as 4n+1 or 4n-1
3) Every number greater than 5 of the form 3n+1 or 3n-1 is a prime number.	Choices: A) 1,2,3 B) 2,3 C) only 1 D) 1,2 E) only 2

Solution: Every prime number greater than 3 can be written in the form of 3n+1 or 3n-1 where n is an integer. So 1 can be possible.   3. This is not possible as 2 and 3 are being prime , we can't write then in the form of 3n+1 or 3n-1.   1,2
Answer: D
There are an odd number of bananas in every bunch of bananas (b = number of bananas per bunch, and B = number bunches of bananas), and every bag of apples has an even number of apples (a = number apples per bag, and A = number bags of apples). The store refuses to sell individual items. The store only sells bunches and bags. Which equation shows how the fruits can be combined to ensure an equal number of bananas and apples? Select the correct option.
A) (2B + 1)(2b + 1) = (A)(a) B) (2Bb + 1) = (Aa + 1) C) (1/2)(4B + 2)(2b + 1) = (A)(2a + 1) D) (B)(2b + 1) = (A)(2a) E) (B + 1)(b) = (2A + 1)(2a + 1)

Solution: Divisible by 2 (Parity Mathematics) states: an even number is an integer of the form n = 2k, where k is an integer; an odd number is an integer of the form n = 2k + 1.   So, (A)(2a) will give an even number of apples,   and (B)(2b + 1), from Parity Mathematics Rule: The sum of two odd numbers is even, will give an even number of bananas.   (B)(2b + 1) = (A)(2a)   Answer: (B)(2b + 1) = (A)(2a)
Answer: D
If x and y are positive numbers and z = xy^2, a 20 percent increase in x and a 10 percent decrease in y would result in which of the following changes in z?
Choices:
A) decrease of 2.8% B) decrease of 11.4% C) increase of 4.6% D) increase of 15.8% E) increase of 22.4%

Solution: decrease of 2.8%fter the changes, z = 1.2x*(0.9y)^2 = (1.2*0.81)xy^2 = 0.972*z   The answer is decrease of 2.8%.
Answer: A
What is the remainder when 7^74 - 10^74 is divided by 24?
Choose the correct choice from the following.
A) 3  B) 1  C) 2  D) 0  E) None of these

Solution: easiest way for me: 7^74 - 5^74 = (49)^37-25^37 = (24*2+1)^37 - (24+1)^37 -> remainder is 1^37 - 1^37 = 0   Ans :0
Answer: D
A number when divided by 44, gives 400 as quotient and 0 as remainder. What will be the remainder when dividing the same number by 35  Choose the correct choice from the following choices:
A) A)30
B) B)3
C) C)4
D) D)6
E) E)7

Solution: Explanation:   P ÷ 44 = 400   => P = 400 * 44= 
400 * 44 = 17_600
17600   P / 35= 17600 / 35 = 502, remainder = 30   30nswer: Option 30
Answer: A
Out of four numbers ,the average of first three is 16 and that of the last three is 15. If the last number is 18,the first number is :	Choose the correct choice from the following choices.
A) 22  B) 21  C) 77  D) 99  E) 27

Solution: Explanation:   Let the numbers be a,b,c,d   Given, a + b + c = 48, b + c + d = 45   Now, d = 18   thus, b + c + 18 = 45 ⇒ b + c = 27   Putting the value of b + c in a + b + c = 48   a + 27 = 48 ⇒ a = 21   Answer: 21
Answer: B
A certain bus driver is paid a regular rate of $16 per hour for any number of hours that does not exceed 40 hours per week. For any overtime hours worked in excess of 40 hours per week, the bus driver is paid a rate that is 75% higher than his regular rate. If last week the bus driver earned $1340 in total compensation, how many total hours did he work that week? Select the correct option.
A) 76 B) 60 C) 65 D) 48 E) 52

Solution: For 40 hrs = 40*16= 
40*16 = 640
640   Excess= 1340-640= 
1340-640 = 700
700   For extra hours=.75(16)=12+16= 
12+16 = 28
28   Number of extra hrs=700/28= 
700/28 = 25
25   Total hrs=40+25= 
40+25 = 65
65   Answer 65 65
Answer: C
The average age of a committee of 8 members is 44 years. A member aged 56 years retired and his place was taken by another member aged 44 years . The average age of
present committee is;	Choose the correct choice from the following answers:
A) 39 years	B) 38 years	C) 42.5 years	D) 35 years	E) 37 years

Solution: Total age of the committee = 44*8= 
44*8 = 352
352,   Total age when a member is retired   and a new one was joined= 352-56 +44, =340   Average age of present committee = 340/8 = 42.5.   ANSWER:42.5 years
Answer: C
A typist uses a paper 12" by 5" length wise and leaves a margin of 1" at the top and the bottom and a margin of ½" on either side. What fractional part of the paper is available to him for typing ?  Answers:
A) 2⁄3
B) 1⁄2
C) 1⁄3
D) 5⁄7
E) None of these

Solution: Area of paper = 12 × 5 = 60 sq. inch   Area of typing part = (12 - 1 × 2) × (5 - 1⁄2 × 2)   = (12 – 2) × (5 – 1) = (10 × 4) sq. inch   ∴ Required fraction = 40⁄60 = 2⁄3   2⁄3nswer 2⁄3
Answer: A
A rectangular-shaped carpet remnant that measures x feet by y feet is priced at $60. What is the cost of the carpet, in dollars per square yard? (9 square feet = 1 square yard)
Pick one
A) 540/(xy)	B) 540xy	C) xy/9	D) xy/60	E) 60xy

Solution: xy sq ft = $60   1 sq ft = $60/xy   multiplying by 9 on both side   9 sq ft = $540/xy   or 1 sq yard = $540/xy   Hence 540/(xy)
Answer: A
The average of seven numbers is 18. The average of first three numbers is 14 and the average of last three numbers is 19. What is the middle number?
Choose the correct choice:
A) 23
B) 27
C) 28
D) 29
E) 31

Solution: The total of seven numbers = 7X18 = 126   The total of first 3 and last 3 numbers is = 3 X 14+3 X 19 = 99   So, the middle number is  (126 - 99 )= 
 (126 - 99 ) = 27
27   27
Answer: B
A carpenter worked alone for 1 day on a job that would take him 5 more days to finish. He and another carpenter completed the job in 4 more days. How many days would it have taken the second carpenter to do the complete job working alone? Choices:
A) 4 2/3	B) 7	C) 9	D) 14	E) 24

Solution: A carpenter worked only 1 day on something that takes him 5 MORE days.   Means;   Carpenter finishes his work in 6 days.   Let his buddy finish the same task in x days.   Respective rates per day:   1/6 AND 1/x   To complete 1 work:   First guy worked for 5 days @ rate=1/6 per day.   Second one worked for 4 days @ rate=1/x per day   Expression:   Days*Rate=Work   5*1/6+4*1/x=1   5x+24=6x   x=24 days.   Ans:24
Answer: E
what is the remainder when 789456123 is divided by 999 Pick one.
A) 359	B) 369	C) 379	D) 388	E) 399

Solution: 789456123 / 999   789456123 / 9*111   87717347 / 111 => rem = 41   we have cancelled it by 9   reqd remainder = 9*41= 
9*41 = 369
369   ANSWER:369
Answer: B
A mixture of 150 liters of water and milk contains 20% milk. How much more milk should be added so that milk becomes 25% of the new mixture?  Choices.
A) 10	B) 20	C) 30	D) 40	E) 50

Solution: A   10 liters   Number of liters of milk in150 liters of the mixture = 20% of 150 = 20/100 * 150= 
20/100 * 150 = 30
30 liters.   P liters of milk added to the mixture to make milk 25% of the new mixture.   Total amount of milk becomes (30 + P) and total volume of mixture is (150 + P).   (30 + P)= 25/100 * (150 + P)   120 + 4P = 150 + P => P = 10 liters.
Answer: A
8 men, working 7 hours a day can complete a work in 18 days. How many hours a day must 12 men work to complete the same work in 12 days? Choices:  A) 6  B) 7  C) 8  D) 9  E) 10

Solution: The number of hours required to complete the work is 8*7*18= 
8*7*18 = 1_008
1008   12 × 12 × (x)= 1008   x = 7   The answer is 7.
Answer: B
The salary of a person was reduced by 20%. By what percent should his reduced salary be raised so as to bring it at par with his original salary? Select the correct option
A) 50%  B) 32%  C) 25%  D) 43%  E) 29%

Solution: Let the original salary be $100   New salary = $80   Increase on 80 = 20   increase on 100 = 20/80 *100= 
20/80 *100 = 25
25%   Answer is 25%
Answer: C
A, B, C, D and E are 5 consecutive points on a straight line. If BC = 2CD, DE = 8, AB = 5 and AC = 11, what is the length of AE? Answers:
A) 18
B) 20
C) 22
D) 24
E) 26

Solution: AC = 11 and AB = 5, so BC = 6.   BC = 2CD so CD = 3.   The length of AE is AB+B22+22D+DE = 5+6+3+8= 
5+6+3+8 = 22
22   The answer is 22.
Answer: C
The population of a town was 1,60,000 three years ago, If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population in
Choose the correct choice:
A) 177369 B) 177329 C) 177629 D) 177366 E) 1773198

Solution: Explanation:   Present population = 160000 * (1 + 3/100)(1 + 5/200)(1 + 5/100)   = 177366.   Answer: 177366) 177366
Answer: D
If n divided by 7 has a remainder of 2, what is the remainder when 6 times n is divided by 7?  Choose the correct choice from the following options.
A) 1  B) 2  C) 3  D) 5  E) 6

Solution: As per question => N=7P+2 for some integer p   hence 6N => 42Q + 12 => remainder =>12 for some integer Q   Alternatively => N=2 > 6N=> 12 =>12 divided by 7 will leave a remainder 5   hence 5
Answer: D
Peter's internet provider offers unlimited traffic which costs $0.5 per day charged off at 12 a.m. The service is discontinued when client's debt exceeds $5. If today in the morning Peter makes a payment of $7, for how many days, including today, will she be connected to the internet without any additional payments, given her initial balance was $0?
Choices.
A) 15  B) 24  C) 25  D) 26  E) 13

Solution: day 0- payment of $7 is made in the morning (after 12 am midnight)   day 1 onwards(after 12 am midnight) internet service will begin and will run for  7*2= 
 7*2 = 14
14 days i.e. at the end of day 15 balance will be zero.   now Peter can still use the internet till her debt reaches $5 which means total of  5*2= 
 5*2 = 10
10 days.   now the question states for how many days, including today, will she be connected to the internet without any additional paymentsi.e. we will have to include day0 also in our final answer. therefore total no. of days=1+14+10= 
1+14+10 = 25
25=25
Answer: C
At a dinner party, 7 people are to be seated around a circular table. 2 seating arrangements are considered different only when the positions of the people are different relative to each other. what is the total number of different possible seating arrangements for the group?  Choose the correct choice from the following choices:  A) 5  B) 10  C) 24  D) 32  E) 720

Solution: Soln: Since the arrangement is circular and 2 seating arrangements are considered different only when the positions of the people are different relative to each other, we can find the total number of possible seating arrangements, by fixing one person's position and arranging the others.   Thus if one person's position is fixed, the others can be arranged in 6! =720 ways.   Ans is 720.
Answer: E
A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.35 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is?	Select: A) 22 B) 23 C) 28 D) 29 E) 26

Solution: 20 15 5   35 20 8   500 + 300 + 40 = 1040/40= 
1040/40 = 26
26   ANSW26R:26
Answer: E
The probability that a number selected at random from the first 50 natural numbers is a composite number is ?	Choose the most appropriate option:
A) 17/29	B) 17/25	C) 17/27	D) 17/29	E) 17/89

Solution: The number of exhaustive events = ⁵⁰C₁ = 50.   We have 15 primes from 1 to 50.   Number of favourable cases are 34.   Required probability = 34/50 = 17/25   Answer: 17/25
Answer: B
Rs.880 is divided amongst A, B, C so that 4 times A's share, 5 times B's share and 10 times C's share are all equal. Find C's share? Choose the correct choice from the following
A) 177  B) 150  C) 817  D) 160  E) 616

Solution: A+B+C = 8804A = 5B = 10C = xA:B:C = 1/4:1/5:1/10= 5:4:22/11 * 880= Rs.160Answer: 160
Answer: D
A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?	Answers: A) Rs. 500 B) Rs. 1500 C) Rs. 2000 D) Rs. 2200 E) Rs. 2400

Solution: Let the shares of A, B, C and D be Rs. 5x, Rs. 2x, Rs. 4x and Rs. 3x respectively.   Then, 4x - 3x = 1000   x = 1000.   B's share = Rs. 2x = Rs. (2 x 1000) = Rs. 2000.   ANSWER : OPTION Rs. 2000
Answer: C
There is an increase of 30% in the production of milk chocolates in Amul Dairy in one month. If now it is 3,900 milk chocolates per month, what was it one month ago?  Answers.
A) 10,000 chocolates B) 3000 chocolates C) 8000 chocolates D) 7000 chocolates E) None of these

Solution: Let one month ago, production be x chocolates.   Then, 130 % of x = 3900   ⇒ x = 3900×100/130=3000 chocolates   Answer 3000 chocolates
Answer: B
5 cars are to be parked in 5 parking slots. there are 3 red colour cars, 1 blue colour car and 1 green car. how many ways the car can be parked? Pick one:
A) 10 ways  B) 15 ways  C) 20 ways  D) 25 ways  E) 30 ways

Solution: total ways to park the cars having same colour =5!   but according to question ,there are 3 red cars,so no. of ways for parking   3 red cars=3!   and both blue & green in 1 ways   so, 5!/1!*3!*1! = 20 ways   hence correct answer must be 20 ways.   ANSWER:20 ways
Answer: C
A cab driver 5days income was $45, $50, $60, $65 , $80. Then his average income is?
Choose the correct choice from the following choices:	A) A)$58	B) B)$42	C) C)$60	D) D)$48	E) E)$62

Solution: avg = sum of observations/number of observations   avg income=(45+50+60+65+80)/5= 
(45+50+60+65+80)/5 = 60
60   Answer is $60
Answer: C