If A is 20% less than B, then B is what percentage more than A? MCQ with Answer and Explanation

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If A is 20% less than B, then B is what percentage more than A?

A. 30%

B. 20%

C. 15%

D. 25%

Answer: Option D

Solution (By JKSSB Mock Tests)

Formula: (R / (100 - R)) * 100. Here R = 20. (20 / 80) * 100 = (1 / 4) * 100 = 25%.

This question belongs to: Maths Percentage

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Question #1

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In a class of 50 students, 40% are girls. If 10% of boys and 20% of girls wear spectacles, how many students wear spectacles?

A. 9

B. 7

C. 6

D. 8

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Correct Answer: Option B

Explanation:
Boys=30, girls=20. Spectacles: 10% of 30=3, 20% of 20=4, total 7.

This question belongs to: Maths Percentage

Question #2

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A machine depreciates 10% per year. Its value after 1 year if purchased for Rs. 50,000 is:

A. 47,000

B. 46,000

C. 45,000

D. 44,000

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Correct Answer: Option C

Explanation:
Value = 50,000 × 0.9 = 45,000.

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Question #3

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A man gave 40% of money to wife, 50% of remainder to daughter, rest to son. Son got Rs. 3000. Total money:

A. 10000

B. 15000

C. 12000

D. 9000

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Correct Answer: Option A

Explanation:
Wife 40%, left 60%, daughter 50% of 60% = 30%, son gets 30% = 3000 → total 10000.

This question belongs to: Maths Percentage

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