1. 30% of 40% of x equals :

a) 12 x b) 1.2 x c) 0.12 x d) 0.012 x

2. A salesman earns a commission of 12% on every sale

and has to pay a tax of 4% of his earnings.

On a sale of Rs.25000 his net earning will be :

a) Rs 3240 b) Rs 2960 c) Rs 2880 d) Rs 2660

3. What is 33%of 3/11?

a) 9 b) 0,9 c) 0.09 d) 0.009

4. A number increased by 36% becomes 2720.

The same number increased by 46% will be :

a) 3808 b) 3280 c) 2920 d) 2080

5. If one-third of a cake is eaten by Shayne

and one-fourth of the remaining devoured by Wayne,

what percentage of the cake does remayne?

a) 30% b) 40% c) 50% d) 60%

6. A number is increased by 40% and the result

is then decreased by 40%. The percentage change

between the final number obtained

is then decreased by 40%. The percentage change

between the final number obtained

and the original number is :

a) 4% increase b) 8% decrease c) 12 % increase d) 16% decrease

7. From a circular sheet of cardboard of radius R

a circular piece of radius R/2 is cut out.

What is the percentage of the remaining cardboard?

a) 32% b) 48% c) 60% d) 75%

8. What is 5/11% of 22/7?

a) 5/7 b) 2/25 c) 1/35 d) 22/35

9. If a number is increased by 25%, by what percentage

should it be reduced to obtain the original number?

a) 20% b) 25% c) 30% d) 40%

10. If the sides of a square are increased by 20% each,

by what percentage does the area increase?

a) 40% b) 42% c) 44% d) 48%

11. Out of two numbers, one is increased by 20%

and the other is increased by 40%.

The percentage increase in their products is :

and the other is increased by 40%.

The percentage increase in their products is :

a) 60% b) 68% c) 72% d) 80%

12. For any number 'x', the difference between

the square of the number and the number itself

as a percentage of the original number is :

the square of the number and the number itself

as a percentage of the original number is :

a) (x^2 - x)/100 b) (x^2 - x)100

c) (x - 1)100 d) 100x

c) (x - 1)100 d) 100x

13. If 2/5 % of a number is 20, then the number is :

a) 2000 b) 3000 c) 4000 d) 5000

14. From a square of side 10 cm, the largest possible

isosceles triangle is cut off. The percentage of the remaining

part of the square is :

isosceles triangle is cut off. The percentage of the remaining

part of the square is :

a) 20% b) 30% c) 40% d) 50%

15. From a square, if the largest possible circle is cut out,

what percentage of the original square remains?

what percentage of the original square remains?

a) 20(4 - pi) b) 25(4 - pi) c) 30(5 - pi) d) 40(5 - pi)

----------Answer Key----------

1. (c) 2. (c) 3. (c) 4. (c) 5. (c) 6. (d)

7. (d) 8. (c) 9. (a) 10. (c) 11. (b) 12. (c)

13. (d) 14. (d) 15. (b)

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