A number divided by 5, quotient increased by 20% then decreased by 20% gives 480. Number: MCQ with Answer and Explanation

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A number divided by 5, quotient increased by 20% then decreased by 20% gives 480. Number:

A. 2000

B. 2400

C. 2200

D. 2500

Answer: Option D

Solution (By JKSSB Mock Tests)

(N/5)×1.2×0.8=480 → (N/5)×0.96=480 → N/5=500 → N=2500.

This question belongs to: Maths Percentage

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Question #1

6.25% expressed as a fraction is:

A. 1/20

B. 1/12

C. 1/16

D. 1/18

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Correct Answer: Option C

Explanation:
6.25/100 = 1/16.

This question belongs to: Maths Percentage

Question #2

If the price of rice decreases by 20%, by what percentage can consumption be increased without changing expenditure?

A. 25%

B. 33.33%

C. 30%

D. 20%

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Correct Answer: Option A

Explanation:
Required increase = (R / (100 - R)) * 100. (20 / 80) * 100 = 25%.

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Question #3

What percent of 200 is 40?

A. 10%

B. 20%

C. 25%

D. 15%

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Correct Answer: Option B

Explanation:
(40/200)×100 = 20%.

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