Kalpesh Sharma

1. If a and b are positive integers and (a-b)/3.5 = 4/7, then

Ans. b <>

2. In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team raised its average to 50%. How many games must the team have won in a row to attain this average?

Ans. 24 Ex: 18+n = (60+n)/2

3. In a class composed of x girls and y boys what part of the class is composed of girls?

Ans. x/(x + y)

4. M men agree to purchase a gift for Rs. D. If three men drop out how much more will each have to contribute towards the purchase of the gift?

Ans. 3D/(M²-3M)

5. The price of a product is reduced by 30%. By what percentage should it be increased to make it 100%.

Ans. 42.857% Ex: 0.7 + (0.7*X) = 1

6. There is a square of side 6cm. A circle is inscribed inside the square. Find the ratio of the area of circle to square.

Ans. 11/14

7. An equilateral triangle of sides 3 inch each is given. How many equilateral triangles of side 1 inch can be formed from it?

Ans. 9

8. Each side of a rectangle is increased by 100% .By what percentage does the area increase?

Ans. 300% Ex: (100% = 2 times as 4 times = 300%)

9. Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain distance, the front wheel gets 10 revolutions more than the back wheel. What is the distance?

Ans. 315 feet.

10. X% of Y is Y% of?

Ans. X

11. If an item costs Rs.3 in '99 and Rs.203 in '00.What is the % increase in price?

Ans. 200/3 Ex: % of increase = Amount of increase / original amount

12. The price of sugar increases by 20%, by what % should a housewife reduces the consumption of sugar so that expenditure on sugar can be same as before?

Ans. 16.66%

13. If an item costs Rs.3 in '99 and Rs.203 in '00.What is the % increase in price?

Ans. 200/3 Ex: % of increase = Amount of increase / original amount

14. 5 men or 8 women do equal amount of work in a day. A job requires 3 men and 5 women to finish the job in 10 days how many women are required to finish the job in 14 days.

Ans. 7

15. A simple interest amount of Rs 5000 for six month is Rs 200. What is the annual rate of interest?

Ans. 8%

16. In objective test a correct answer score 4 marks and on a wrong answer 2 marks are cut. A student scores 480 marks from 150 questions. How many answer were correct?

Ans. 130.

17. What is the angle between the two hands of a clock when time is 8:30?

Ans. 75

18. If a=2/3b, b=2/3c, and c=2/3d what part of d is b?

Ans. 4/9

19. Successive discounts of 20% and 15% are equal to a single discount of

Ans. 32%

20. If x/y=4 and y is not '0' what % of x is 2x-y

Ans. 175% (2x-y)/x

21. A company contracts to paint 3 houses. Mr. Brown can paint a house in 6 days while Mr. Black would take 8 days and Mr. Blue 12 days. After 8 days Mr. Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr. Blue to complete the contract?

Ans.11 Ex. (8/6)+(6/8)+(n/12)=3

22.There are 200 questions on a 3 hr examination. Among these questions are 50 mathematics problems. It is suggested that twice as much time be spent on each math’s problem as for each other question. How many minutes should be spent on mathematics problems?

Ans.72 Ex: (n*50)+((n/2)*150)=180 where n=minute for 1 math question