1

In a certain school, 20% of the students are below 8 years of age. The number of students above 8 years of age is 2/3 of the number of students of 8 years age which is 48. What is the total number of students in the school.

72 80 90 None of these

2

10% of the voters did not cast their vote in an election between two candidates. 10% of the votes polled were found invalid. The successful candidate got 54% of the valid votes and won by a majority of 1620 votes. The number of voters enrolled on the voters list was

25000 33000 35000 40000

3

A student multiplied a number by 3/5 instead of 5/3. What is the % error in the calculation.

34% 44% 54% 64%

4

Gauri went to the the stationery shop and bought things worth Rs. 25, out of which 30p went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items ?

Rs. 15 Rs. 15.70 Rs. 19.70 Rs. 20

5

In a city, 40% of the people are illiterate and 60% are poor. Among the rich, 10% are illiterate. What percentage of the poor population is illiterate.

36% 40% 60% None of these

6

405 sweets were distributed equally among children in such a way that the number of sweets received by each child is 20% of the total number of children. How many sweets did each child receive.

9 15 18 45

7

A scored 30% marks and failed by 15 marks. B scored 40% marks and obtained 35 marks more than those required to pass. The pass % is

33% 38% 43% 46%

8

37.5% of the candidates in an examination were girls. 75% of the boys and 62.5% of the girls passed and 342 girls failed. The number of boys failed was

350 360 370 380

9

Peter could save 10% of his income. But two years later when his income is increased by 20%, he could save the same amount only as before. By how much percent has his expenditure increased.

22% 22 2/9% 23 1/3% 24%

10

Mr. X, a businessman had the income in the year 2000, such that he earned a profit of 20% on his investment in the business. In the year 2001, his investment was less by Rs. 5000 but still had the same income (Income = Investment + Profit) as that in 2000, Thus, the % profit earned in 2001 increased by 6%. What was his investment in 2000 ?

Rs. 102000 Rs. 105000 Rs. 150500 Data Inadequate

11

What percentage of numbers from 1 to 70 have squares that end in the digit 1

1 14 20 21

12

In a fraction, if numerator is increased by 40% and denominator is increased by 80%, then what fraction of the original is the new fraction.

1/2 7/9 7/18 Data Inadequate

13

The weight of the container alone is 25% of the container filled with a certain fluid. When some fluid is removed, the weight of the container and remaining fluid is 50% of the original total weight. What fractional part of the liquid has been removed.

1/3 1/2 2/3 3/4

14

The production of a company has ups and downs every year. The production increases for two consecutive years consistently by 15% and in the third year decreases by 10%. Again tin the next two years it increases by 15% each year and decreases by 10% in the third year. If we start counting from the year 1998, approximately what will by the effect on production of the company in 2002.

27% increase 32% increase 37% increase 42% increase

15

An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the was half empty again, it was filled with B type petrol. What is percentage of A type petrol at present in the tank ?

33.5% 37.5% 40% 50%

16

Peter earned 40% more money than Albert. Albert earned 20% less than Michael. Peter earned more than Michael by

10% 12% 20% 25%

17

In an examination of n questions, a student replied 15 out of first 20 questions correctly. Of the remaining questions, he answered one-third correctly. All the questions have the same credit. If the student gets 50% marks, the value of n is :

20 40 50 100

18

In an examination in which full marks were 800, A gets 20% more than B, B gets 20% more than C, and C gets 15% less than D. If A got 576, what percentage of full marks did D get (approx)

45.7 51.2 58.8 61.7

19

A large watermelon weighs 20kg with 96% of its weight being water. It is allowed to stand in the sun and some of the water evaporates so that only 95% of its weight is water. Its reduced weight will be

16kg 16.5kg 17kg 18kg

20

How much pure alcohol has to be added to 400ml of a solution containing 15% alcohol to change the concentration of alcohol in the mixture to 32% ?

60ml 68ml 100ml 128ml

21

The price of a T.V. set is decreased by 25% as a result of which the sale increased by 20%. What will be the effect on the total revenue of the shop

No effect 5% Decrease 5% Increase none of these

22

In some quantity of ghee, 60% is pure ghee and 40% is vanaspati. If 10kg of pure ghee is added, then the strength of vanaspati ghee becomes 20%. The original quantity was

10kg 15kg 20kg 25kg

23

Out of 450 students of a school, 325 play football, 175 play cricket and 50 neither play football nor cricket. How many students play both football and cricket.

50 75 100 225

24

Due to an increase of 30% in the price of eggs, 3 eggs less are available for Rs. 7.80. The present rate of eggs per dozen is :

Rs. 8.64 Rs. 8.88 Rs. 9.36 Rs. 10.40

25

When any number is divided by 12, then dividend becomes 1/4th of the other number. By how much percent first number is greater than the second number.

150 200 300 Data Inadequate