If the price of a commodity decreases by 10%, by what percentage can the consumption increase so that the expenditure remains the same? MCQ with Answer and Explanation

Question

If the price of a commodity decreases by 10%, by what percentage can the consumption increase so that the expenditure remains the same?

A. 11.11%

B. 9.09%

C. 12.5%

D. 10%

Answer: Option A

Solution (By JKSSB Mock Tests)

Required increase = (10 / 90) * 100 = 100 / 9 = 11.11%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

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A man spends 70% of his income. If he saves Rs. 3000, what is his total income?

A. 8000

B. 10000

C. 9000

D. 12000

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Correct Answer: Option B

Explanation:
Savings = 100% - 70% = 30%. 30% of Income = 3000. Income = 3000 * (100 / 30) = 10000.

This question belongs to: Maths Percentage

Question #2

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In an examination, 70% passed in English and 60% passed in Maths. If 15% failed in both and 450 passed in both, find the total number of students.

A. 1100

B. 900

C. 800

D. 1000

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Correct Answer: Option D

Explanation:
Failed Eng=30%, Maths=40%. Passed both = 100 - (30+40-15) = 45%. 45% = 450 → total = 1000.

This question belongs to: Maths Percentage

Question #3

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A dishonest shopkeeper uses 900 g weight instead of 1 kg. His profit %:

A. 12.5%

B. 11.11%

C. 9.09%

D. 10%

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Correct Answer: Option B

Explanation:
Profit = (100/900)×100 = 11.11%.

This question belongs to: Maths Percentage

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