The price of an article increases by 10%, and then again by 10%. What is the net percentage increase? MCQ with Answer and Explanation

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The price of an article increases by 10%, and then again by 10%. What is the net percentage increase?

A. 25%

B. 22%

C. 20%

D. 21%

Answer: Option D

Solution (By JKSSB Mock Tests)

Successive percentage formula: a + b + (ab / 100). 10 + 10 + (10 * 10 / 100) = 20 + 1 = 21%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

If a number increased by 25% is 150, what is the original number?

A. 100

B. 110

C. 120

D. 130

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Correct Answer: Option C

Explanation:
Let the number be x. x * 1.25 = 150. x = 150 / 1.25 = 120.

This question belongs to: Maths Percentage

Question #2

Salary increased by 20% then decreased by 20%. Net effect:

A. 4% decrease

B. 2% decrease

C. No change

D. 4% increase

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Correct Answer: Option A

Explanation:
1.2 × 0.8 = 0.96, 4% decrease.

This question belongs to: Maths Percentage

Question #3

A number is increased by 50% and then decreased by 50%. The net change is:

A. 50% decrease

B. 25% increase

C. 25% decrease

D. No change

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Correct Answer: Option C

Explanation:
1.5 × 0.5 = 0.75, 25% decrease.

This question belongs to: Maths Percentage

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