A student got 280 marks out of 400. Percentage is: MCQ with Answer and Explanation

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A student got 280 marks out of 400. Percentage is:

A. 70%

B. 72%

C. 65%

D. 68%

Answer: Option A

Solution (By JKSSB Mock Tests)

(280/400)×100 = 70%.

This question belongs to: Maths Percentage

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Question #1

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Office 70% men. 80% of men and 60% of women have car. % of workers with car:

A. 70%

B. 74%

C. 68%

D. 72%

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Correct Answer: Option B

Explanation:
Men with car = 56% of total, women = 18%, total 74%.

This question belongs to: Maths Percentage

Question #2

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A sum of money becomes Rs. 2800 in 2 years and Rs. 3250 in 5 years at simple interest. Find the rate of interest.

A. 4%

B. 7%

C. 5%

D. 6%

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Correct Answer: Option D

Explanation:
SI for 3 years = 3250 - 2800 = 450, SI per year = 150. Principal = 2800 - 2×150 = 2500. Rate = (150/2500)×100 = 6%.

This question belongs to: Maths Percentage

Question #3

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A dishonest shopkeeper uses 900 g weight instead of 1 kg. His profit %:

A. 12.5%

B. 9.09%

C. 10%

D. 11.11%

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Correct Answer: Option D

Explanation:
Profit = (100/900)×100 = 11.11%.

This question belongs to: Maths Percentage

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