Kerosene price up 25%. To keep expenditure same, reduce consumption by: MCQ with Answer and Explanation

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Kerosene price up 25%. To keep expenditure same, reduce consumption by:

A. 18%

B. 15%

C. 25%

D. 20%

Answer: Option D

Solution (By JKSSB Mock Tests)

Reduction = (25/125)×100 = 20%.

This question belongs to: Maths Percentage

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Question #1

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A man gave 25% to wife, 20% of remainder to son, 25% of remainder to daughter, rest Rs. 9000 to charity. Total amount:

A. 22000

B. 20000

C. 18000

D. 24000

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Correct Answer: Option B

Explanation:
Wife 25%, left 75%. Son 20% of 75%=15%, left 60%. Daughter 25% of 60%=15%, left 45% = 9000 → total = 20000.

This question belongs to: Maths Percentage

Question #2

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80 L mixture, milk:water 3:1. To make 1:1, water added:

A. 30 L

B. 50 L

C. 20 L

D. 40 L

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Correct Answer: Option D

Explanation:
Milk=60 L, water=20 L. For 1:1, water=60 L, add 40 L.

This question belongs to: Maths Percentage

Question #3

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A number is subtracted from 40% of itself and the result is 84. Find 75% of that number.

A. 90

B. 140

C. 105

D. 120

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Correct Answer: Option C

Explanation:
x - 0.4x = 0.6x = 84 → x = 140. 75% of 140 = 105.

This question belongs to: Maths Percentage

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