14 men can complete a work in 12 days. If 18 men work at the same rate, in how many days will the work be completed? MCQ with Answer and Explanation

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14 men can complete a work in 12 days. If 18 men work at the same rate, in how many days will the work be completed?

A. 15.33

B. 13.33

C. 9.33

D. 11.33

Answer: Option C

Solution (By JKSSB Mock Tests)

Total work = 14 × 12 = 168 man-days. Required days = 168/18 = 9.33 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 22 days and B in 12 days. If they work together, the work will be completed in:

A. 22.76

B. 12.76

C. 7.76

D. 17.76

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Correct Answer: Option C

Explanation:
Combined rate = 1/22 + 1/12. Required time = 7.76 days.

This question belongs to: Maths Time and Work

Question #2

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A can complete a work in 21 days and B in 17 days. If they work together, the work will be completed in:

A. 24.39

B. 19.39

C. 9.39

D. 14.39

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Correct Answer: Option C

Explanation:
Combined rate = 1/21 + 1/17. Required time = 9.39 days.

This question belongs to: Maths Time and Work

Question #3

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

A. 14.0

B. 12.0

C. 18.0

D. 16.0

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Correct Answer: Option B

Explanation:
Total work = 12 × 16 = 192 man-days. Required days = 192/16 = 12.0 days.

This question belongs to: Maths Time and Work

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