The price of an item increases by 25% and then decreases by 20%. What is the net percentage change? MCQ with Answer and Explanation

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The price of an item increases by 25% and then decreases by 20%. What is the net percentage change?

A. 5% decrease

B. 0%

C. 10% increase

D. 5% increase

Answer: Option B

Solution (By JKSSB Mock Tests)

Net change = 25 - 20 + ((25 * -20) / 100) = 5 - 5 = 0%.

This question belongs to: Maths Percentage

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Question #1

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A shopkeeper sells an article at 10% profit. Had he bought it at 20% less and sold it for Rs. 12 less, he would have gained 30%. Find the cost price.

A. Rs. 180

B. Rs. 200

C. Rs. 150

D. Rs. 220

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Correct Answer: Option B

Explanation:
CP=x, SP=1.1x. New CP=0.8x, new SP=1.1x-12 = 1.3×0.8x = 1.04x → 0.06x=12 → x=200.

This question belongs to: Maths Percentage

Question #2

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A shopkeeper sells an article at 15% profit. Had he bought it at 10% less and sold it for Rs. 10 more, he would have gained 30%. Find the cost price.

A. Rs. 400

B. Rs. 700

C. Rs. 500

D. Rs. 600

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Correct Answer: Option C

Explanation:
CP=x, SP=1.15x. New CP=0.9x, new SP=1.15x+10 = 1.3×0.9x = 1.17x → 0.02x=10 → x=500.

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Question #3

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10% of 300 + 20% of 150 equals:

A. 65

B. 60

C. 50

D. 55

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Correct Answer: Option B

Explanation:
10% of 300 = 30, 20% of 150 = 30, sum = 60.

This question belongs to: Maths Percentage

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