Price reduced 30% then increased 40%. Net change: MCQ with Answer and Explanation

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Price reduced 30% then increased 40%. Net change:

A. 10% increase

B. 2% increase

C. 2% decrease

D. No change

Answer: Option C

Solution (By JKSSB Mock Tests)

0.7 × 1.4 = 0.98, 2% decrease.

This question belongs to: Maths Percentage

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Question #1

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A gets 20% more than B, B gets 25% more than C. C=400, A's share:

A. 550

B. 650

C. 500

D. 600

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Correct Answer: Option D

Explanation:
C=400, B=400×1.25=500, A=500×1.2=600.

This question belongs to: Maths Percentage

Question #2

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Price of a commodity falls by 20%. To keep expenditure constant, consumption must increase by:

A. 30%

B. 20%

C. 25%

D. 15%

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Correct Answer: Option C

Explanation:
New price 0.8, consumption multiplier needed = 1/0.8 = 1.25, increase 25%.

This question belongs to: Maths Percentage

Question #3

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A's marks 35% more than B, B's 25% less than C. A=162, C's marks:

A. 150

B. 140

C. 170

D. 160

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Correct Answer: Option D

Explanation:
A=1.35B, B=0.75C → A=1.0125C → C=162/1.0125=160.

This question belongs to: Maths Percentage

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