A can complete a work in 32 days. What percentage of the work will be completed in 7 days? MCQ with Answer and Explanation

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A can complete a work in 32 days. What percentage of the work will be completed in 7 days?

A. 29.38

B. 26.88

C. 24.38

D. 21.88

Answer: Option D

Solution (By JKSSB Mock Tests)

Completed percentage = (7/32)×100 = 21.88%.

This question belongs to: Maths Time and Work

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Question #1

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A can complete a work in 14 days and B in 37 days. If both work together, in how many days will the work be completed?

A. 17.66

B. 12.66

C. 10.16

D. 15.16

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Correct Answer: Option C

Explanation:
Combined rate = 1/14 + 1/37. Time = 10.16 days.

This question belongs to: Maths Time and Work

Question #2

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A can complete a work in 23 days and B can complete the same work in 23 days. If they work together, in how many days will the work be completed?

A. 15.5

B. 13.5

C. 17.5

D. 11.5

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Correct Answer: Option D

Explanation:
Combined rate = 1/23 + 1/23. Time = 1 ÷ combined rate = 11.5 days.

This question belongs to: Maths Time and Work

Question #3

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If 5 men or 9 women can do a piece of work in 19 days, then 3 men and 6 women will do the same work in:

A. 15 days

B. 13 days

C. 10 days

D. 12 days

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Correct Answer: Option A

Explanation:
5 Men = 9 Women => 1 Man = 9/5 Women. 3 men + 6 women = 3 * (9/5) + 6 = 27/5 + 6 = 57/5 women. Since 9 women take 19 days, 57/5 women will take (9 * 19) / (57/5) = (171 * 5) / 57 = 3 * 5 = 15 days.

This question belongs to: Maths Time and Work

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