A's income is 30% more than B's, B's is 20% more than C's. A's income is what percent more than C's? MCQ with Answer and Explanation

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A's income is 30% more than B's, B's is 20% more than C's. A's income is what percent more than C's?

A. 50%

B. 56%

C. 60%

D. 52%

Answer: Option B

Solution (By JKSSB Mock Tests)

C=100, B=120, A=120×1.3=156, so A is 56% more than C.

This question belongs to: Maths Percentage

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Question #1

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A can do a piece of work in 20 days. B is 25% more efficient than A. How many days will B alone take to do the work?

A. 16 days

B. 18 days

C. 15 days

D. 14 days

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Correct Answer: Option A

Explanation:
Efficiency ratio A:B = 100:125 = 4:5. Time ratio = 5:4. B's time = (4/5)×20 = 16 days.

This question belongs to: Maths Percentage

Question #2

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A man spends 30% of income on rent, 25% of remainder on food, 20% of remainder on education, saves Rs. 12600. Income:

A. 30000

B. 32000

C. 25000

D. 28000

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Correct Answer: Option A

Explanation:
Rent 0.3I, left 0.7I. Food 0.175I, left 0.525I. Education 0.105I, left 0.42I = 12600 → I = 30000.

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Question #3

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Price of pen up 12%. By what % reduce consumption so that expenditure rises only 4%?

A. 7.14%

B. 6.67%

C. 8.33%

D. 8%

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Correct Answer: Option A

Explanation:
1.12 × x = 1.04 → x = 1.04/1.12 = 0.92857, reduction = 7.14%.

This question belongs to: Maths Percentage

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