What percent of 80 is 20? MCQ with Answer and Explanation

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What percent of 80 is 20?

A. 25%

B. 20%

C. 30%

D. 15%

Answer: Option A

Solution (By JKSSB Mock Tests)

(20/80) × 100 = 25%.

This question belongs to: Maths Percentage

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Question #1

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Production increased from 6000 to 7200. Percentage increase:

A. 15%

B. 20%

C. 22%

D. 18%

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Correct Answer: Option B

Explanation:
(1200/6000)×100 = 20%.

This question belongs to: Maths Percentage

Question #2

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A person spends 10% of his salary on transport and 20% of the remaining on food. If he saves Rs. 3600, what is his total salary?

A. 5000

B. 4000

C. 4500

D. 6000

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Correct Answer: Option A

Explanation:
Let total salary = x. x * (90/100) * (80/100) = 3600. 0.72x = 3600. x = 5000.

This question belongs to: Maths Percentage

Question #3

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Length +25%, breadth -20%. Change in area:

A. 10% increase

B. 5% increase

C. 0%

D. 5% decrease

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Correct Answer: Option C

Explanation:
1.25×0.8 = 1, 0% change.

This question belongs to: Maths Percentage

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