16 men can complete a work in 14 days. If 20 men work at the same rate, in how many days will the work be completed? MCQ with Answer and Explanation

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16 men can complete a work in 14 days. If 20 men work at the same rate, in how many days will the work be completed?

A. 13.2

B. 11.2

C. 15.2

D. 17.2

Answer: Option B

Solution (By JKSSB Mock Tests)

Total work = 16 × 14 = 224 man-days. Required days = 224/20 = 11.2 days.

This question belongs to: Maths Time and Work

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Question #1

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A can complete a work in 25 days and B in 18 days. If both work together, in how many days will the work be completed?

A. 15.47

B. 17.97

C. 12.97

D. 10.47

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Correct Answer: Option D

Explanation:
Combined rate = 1/25 + 1/18. Time = 10.47 days.

This question belongs to: Maths Time and Work

Question #2

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A can complete a work in 22 days and B can complete the same work in 32 days. If they work together, in how many days will the work be completed?

A. 15.04

B. 19.04

C. 17.04

D. 13.04

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Correct Answer: Option D

Explanation:
Combined rate = 1/22 + 1/32. Time = 1 ÷ combined rate = 13.04 days.

This question belongs to: Maths Time and Work

Question #3

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A can complete a work in 34 days. What percentage of work will A complete in 6 days?

A. 27.65

B. 22.65

C. 32.65

D. 17.65

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Correct Answer: Option D

Explanation:
Percentage completed = (6/34) × 100 = 17.65%.

This question belongs to: Maths Time and Work

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