Two numbers 25% and 40% less than a third. Second is what % of first? MCQ with Answer and Explanation

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Two numbers 25% and 40% less than a third. Second is what % of first?

A. 75%

B. 80%

C. 90%

D. 85%

Answer: Option B

Solution (By JKSSB Mock Tests)

Third=100, first=75, second=60; (60/75)×100=80%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

Library: 25% English, 35% Hindi, remaining 6000 other. Total books:

A. 15000

B. 12000

C. 14000

D. 16000

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Correct Answer: Option A

Explanation:
40% = 6000, total = 15000.

This question belongs to: Maths Percentage

Question #2

A number is decreased by 10% and then the new number is increased by 20%. If the resulting number is 540, find the original number.

A. 520

B. 450

C. 500

D. 480

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Correct Answer: Option C

Explanation:
0.9 × 1.2 = 1.08, 1.08x = 540 → x = 500.

This question belongs to: Maths Percentage

Question #3

A and B together can do a piece of work in 12 days. B and C together in 15 days. C and A together in 20 days. How long will A alone take to do the work?

A. 20 days

B. 30 days

C. 40 days

D. 60 days

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Correct Answer: Option B

Explanation:
2(A+B+C) = 1/12 + 1/15 + 1/20 = (5+4+3)/60 = 12/60 = 1/5 → A+B+C = 1/10. A's work = (A+B+C) - (B+C) = 1/10 - 1/15 = (3-2)/30 = 1/30. So A takes 30 days.

This question belongs to: Maths Percentage

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