Price decreased by 15% then increased by 15%. Net change is: MCQ with Answer and Explanation

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Price decreased by 15% then increased by 15%. Net change is:

A. No change

B. 2.25% decrease

C. 1.5% decrease

D. 2.25% increase

Answer: Option B

Solution (By JKSSB Mock Tests)

0.85 × 1.15 = 0.9775, 2.25% decrease.

This question belongs to: Maths Percentage

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Question #1

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The price of a commodity is increased by x% then decreased by x%. Net decrease is 9%. Find x.

A. 30

B. 25

C. 35

D. 20

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Correct Answer: Option A

Explanation:
1 - x²/10000 = 0.91 → x² = 900 → x = 30.

This question belongs to: Maths Percentage

Question #2

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After spending 85% of his income, a man saves Rs. 4500. His income is:

A. 25000

B. 32000

C. 28000

D. 30000

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Correct Answer: Option D

Explanation:
Savings 15% = 4500, income = 4500/0.15 = 30000.

This question belongs to: Maths Percentage

Question #3

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What percent of 200 is 40?

A. 10%

B. 15%

C. 25%

D. 20%

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Correct Answer: Option D

Explanation:
(40/200)×100 = 20%.

This question belongs to: Maths Percentage

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