If the price of petrol increases by 50%, by what percent must a car owner reduce consumption to keep expenditure constant? MCQ with Answer and Explanation

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If the price of petrol increases by 50%, by what percent must a car owner reduce consumption to keep expenditure constant?

A. 33.33%

B. 35%

C. 30%

D. 25%

Answer: Option A

Solution (By JKSSB Mock Tests)

New price 1.5, multiplier needed = 1/1.5 = 2/3, reduction = 1 - 2/3 = 33.33%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

75% of 48 is:

A. 36

B. 32

C. 34

D. 38

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Correct Answer: Option A

Explanation:
0.75 × 48 = 36.

This question belongs to: Maths Percentage

Question #2

Employees reduced by 20%. To keep total wage bill same, wage per head must increase by:

A. 25%

B. 30%

C. 20%

D. 22.5%

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Correct Answer: Option A

Explanation:
New employees 0.8, wage per head multiplier = 1/0.8 = 1.25, increase 25%.

This question belongs to: Maths Percentage

Question #3

The cost of an article is Rs. 500. It is marked up by 40% and then a discount of 30% is given. What is the selling price?

A. Rs. 460

B. Rs. 490

C. Rs. 480

D. Rs. 470

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Correct Answer: Option B

Explanation:
MP = 500×1.4=700, SP=700×0.7=490.

This question belongs to: Maths Percentage

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