Coal price up 25%, expenditure to rise only 10%. Reduce consumption by: MCQ with Answer and Explanation

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Coal price up 25%, expenditure to rise only 10%. Reduce consumption by:

A. 15%

B. 10%

C. 18%

D. 12%

Answer: Option D

Solution (By JKExamLibrary)

1.25 × x = 1.1 → x = 0.88, reduction 12%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1 Report Error

Spends 25% on food, 15% rent, 10% clothing, saves Rs. 3000. Income:

A. 5000

B. 6000

C. 6500

D. 5500

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Correct Answer: Option B

Explanation:
Spends 50%, saves 50% = 3000, income = 6000.

This question belongs to: Maths Percentage

Question #2 Report Error

A number is increased by 50% and then decreased by 50%. The net change is:

A. No change

B. 25% increase

C. 25% decrease

D. 50% decrease

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Correct Answer: Option C

Explanation:
1.5 × 0.5 = 0.75, 25% decrease.

This question belongs to: Maths Percentage

Question #3 Report Error

Price increased 15% then 10%. Single equivalent increase:

A. 26.5%

B. 27%

C. 25%

D. 24.5%

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Correct Answer: Option A

Explanation:
1.15 × 1.1 = 1.265, increase 26.5%.

This question belongs to: Maths Percentage

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