Problems on Percentage (MCQs)

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Theory- Percentage: Basic Concepts, Formulas

1. What percent of 72 is 6?

(a) 10
(b) 20
(c) 25/3
(d) None

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Correct Answer is (c)

x% of 72= 6

x= (6/72)×100= 25/3 (Ans.)

2. If 30% of a number is 12.6, then the number is?

(a) 41
(b) 51
(c) 52
(d) 42

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Correct Answer is (d)

Let the number be= x

30% of x = 12.6

or, x = (12.6×100)/30 = 42 (Ans.)

3. What will b 160% of a number whose 200% is 140?

(a) 200
(b) 160
(c) 140
(d) 112

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Correct Answer is (d)

Firstly, find the number by equating with- 200% of x = 140

x= 70

Now, 160% of 70 = 112 (Ans.)

4. If A’s Income is 100/3% more than that of B, then how much percent is B’s income less than that of A?

(a) 25%
(b) 110/3%
(c) 40%
(d) None

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Correct Answer is (a)

Check the formula

Theory- Percentage: Basic Concepts, Formulas

5. 63% of 25/7 is?

(a) 2.25
(b) 2.40
(c) 2.50
(d) 2.75

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Correct Answer is (a)

63% × 25/7 = (63×25)/(700) = 2.25 (Ans.)

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