1. The strength of a school increases and decreases in every alternate year by 10%. It started with increase in 2000. Then the strength of the school in 2003 as compared to that in 2000 was ?

increased by 8.9%

decreased by 8.9%

increased by 9.8%

decreased by 9.8%

Answer: increased by 8.9%

Explanation:


2. In an office 40% of the staff is female, 40% of the females and 60% of the males voted for me. The percentage of votes I got was ?

24%

42%

50%

52%

Answer: 52%

Explanation:


3. If a man receives on one-fourth of his capital 3% interest, on two third 5% and on the remainder 11%, the percentage he receives on the whole is ?

4.5

5

5.5

5.2

Answer: 5

Explanation:


4. Due to an increase of 50% in the price of eggs, 4 eggs less are available for 24. The present rate of eggs per dozen is ?

24

27

36

42

Answer: 36

Explanation:


5. An individual pays 30% income tax. On this tax he has to pay a surcharge of 10%. Thus, the net tax rate, he has to pay, is ?

45%

40%

33%

27%

Answer: 33%

Explanation:


6. A man bought some eggs of which 10% are rotten. He gives 80% of the remainder to his neighbours. Now he is left out with 36 eggs. How many eggs he bought ?

40

100

200

72

Answer: 200

Explanation:


7. A Set A consists of integers 27, 28, 30, 32, and 33. If integer k is included in the average of set A will increase by 30%. What is the value of integer K ?

68

79

84

92

Answer: 84

Explanation:


8. A man received 8,80,000 as his annual salary of the year 2007 which was 10% more than his annual salary in 2006. His annual salary in the year 2006 was ?

4,80,000

8,00,000

4,00,000

8,40,000

Answer: 8,00,000

Explanation:


9. If each side of a cube is increased by 10% the volume of the cube will increase by ?

30%

10%

33.1%

25%

Answer: 33.1%

Explanation:


10. In an examination A got 25% marks more than B, B got 10% less than C and C got 25% more than D. If D got 320 marks out of 500, the marks obtained by A were ?

405

450

360

400

Answer: 450

Explanation: