Percentage Questions For SSC CGL 2017

Q1. The price of an article was increased two times successively by 10% each time. By what percent should the new price be reduced so as to restore the original price.
(a) 15%
(b) 17.36%
(c) 17%
(d) 16.36%

Q2. If price of a book is first decreased by 25% and then increased by 20%, the net change in the price of the book will be:
(a) 10% decrease
(b) 5% decrease
(c) no change
(d) 5% increase

Q3. A number is increased by 10% and then it is decreased by 10%. The net change in the number is:
(a) 2% decrease
(b) 1% increase
(c) 2% increase
(d) 1% decrease

Q4. A worker suffers a 20% cut in his wage. He may regain his original wages by obtaining a rise of how much %?
(a) 27.5%
(b) 25.0%
(c) 22.5%
(d) 20.0%

Q5. The salary of a person was reduced by 10%. By what percent should his reduced salary be raised so as to bring it to with his original salary?
(a) 9%
(b) 11(1/9)%
(c) 9(1/11)%
(d) 11%

Q6. A number is increased by 20% and then again by 20%. By what percent should the increased number be reduced so as to get back the original number?
(a) 30(5/9)%
(b) 19(11/31)%
(c) 40%
(d) 44%

Q7. The number of employees working in a farm is increased by 25% and the wages per head are decreased by 25%. If it result in x% decrease in total wages, then the value of x is:
(a) 0%
(b) 25%
(c) 20%
(d) 25/4%

Q8. The price of an article was increased by r%. Later the new price was decreased by r%. If the latest price was Rs. 1, then the original price was:
(a) Rs. 1
(b) Rs. (1 - r^2)/100
(c) Rs. √(1 - r^2 )/100
(d) Rs. (10000/(10000 - r^2 ))

Q9. The price of petrol is increased by 25%. By how much percent a car owner should reduce his consumption of petrol so that the expenditure on petrol would not be increased?
(a) 25%
(b) 30%
(c) 50%
(d) 20%

Q10. A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than the original number. The original number is:
(a) 5900
(b) 5000
(c) 5500
(d) 5050

Q11. The Government reduced the price of sugar by 10 percent. By this a consumer can buy 6.2 kg more sugar for Rs. 837. The reduced price per kg of sugar is:
(a) Rs. 12.50
(b) Rs. 13.00
(c) Rs. 13.50
(d) Rs. 14.00

Q12. The price of sugar is increased by 20%. If the expenditure on sugar has to be kept the same as earlier, the ratio between the reduction in consumption and the original consumption is:
(a) 1 : 3
(b) 1 : 4
(c) 1 : 6
(d) 1 : 5

Q13. If the price of a commodity is decreased by 20% and its consumption is increased by 20%, what will be the increase or decrease in the expenditure on the commodity?
(a) 4% increase
(b) 4% decrease
(c) 8% decrease
(d) 8% increase

Q14. The price of a certain item is increased by 15%. If a consumer wants to keep his expenditure on the item the same as before, how much percent must he reduce his consumption of that item?
(a) 15%
(b) 13(1/23)%
(c) 16(2/3)%
(d) 10(20/23)%

Q15. If the price of petrol be raised by 20%, then the percentage by which a car owner must reduce his consumption so as not to increase his expenditure on petrol is:
(a) 16(1/3)%
(b) 16(2/3)%
(c) 15(2/3)%
(d) 15(1/3)%

Solutions

1.B

2.A

3.D

4.B

5.B

6.A

7.D

8.D

9.D

10.B

11.C

12.C

13.B

14.B

15.B