**Learn Percentage Topic Practice Set**

1. If 75% of a number is added to 75, the result is the

number itself. Then the number is

Ans50

2. Subtracting 40% of a number from the number, we get

the result as 30, the number is

Ans: 50

3. If three fifth of a number is 40 more than 40% of the

same number. What is the number

An:200

4. A number on subtracting 15 from it, reduces to its 80%.

What is 40% of that number?

An30

5. Calculation shows that an angle is 37 ½ %. The size

obtained by drawing and measurement is 36%. The

error percent is

Ans :4

6. The population of a town has increased from 133575 to

138918. The percent increase in population is

An:4

7. IF X is 90% of Y, what percent of X is Y?

Ans : 111.1

8. If x % of y is the as 4/5 of 80, then the value of xy is

9. Subtracting 6% of x from x is equivalent to multiplying

x by how much ?

Ans 94

10. If 8% of x=4% of y, then 20% of x is

11. (X% of Y+Y%of X)=?

Ans 2% of xy

12. If 90% of A=30% of B and b=x% of A, then x is equal

to

Ans:300

13. X% of Y is y% of?

Ans:x

14. A number increased 37 ½% gives 33. The number is

An:24

15. The number which when decreased by 27 ½ % given 87

is

An:120

16. 40 quintal is what percent of 2 metric tons?

Ans:200%

17. If is known that 20% of the mangoes are rotten. If the

number of rotten mangoes is 35, then the total number

of mangoes is :

An:175

18. If 70% of students in a school are boys and the number

of girls is 504, the number of boys is

Ans : 1176

19. A student has to secure 40% marks to pass. He gets 178

marks and fails by 22 marks. The maximum marks are :

Ans 500

20. A house owner was having his house painted. He was

advised that he would require 25kg of paint. Allowing

for 15% wastage and assuming that the paint is

available in 2 kg cans, what would be the cost of pain

purchased, if one can cost Rs.16? Ans :Rs.240

21. A reduction of 12.5% in the price of a dining table

brought down its price to RS.4375, the original price (in

Rs.) of the table was: Rs.5,000

22. Of the total amount received by Krian, 20% was spent

on purchases and 5% of the remaining on

transportation. If he is left with RS.1520, the initial

amount was Ans:2000

23. Ina library 20% books are in Hindi, 50% of

theremianing are in English and the remaining 9000 are

in various other languages. What is the total number of

books in English?

24. Avinash spends 30% of his income on scooter petrol, ¼

of the remaining on house rent and the balance on food.

If he spends Rs.300 on petrol, then what is the

expenditure on house rent?

Ans:Rs.175

25. A man spends 35% of his income on house rent 75% of

the reaming on other items. What percentage of income

does he save

An: 16.25

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