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

A. 14.0

B. 16.0

C. 20.0

D. 18.0

Answer: Option A

Solution (By JKSSB Mock Tests)

Total work = 14 × 18 = 252 man-days. Required days = 252/18 = 14.0 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 23 days and B in 15 days. If they work together, the work will be completed in:

A. 14.08

B. 9.08

C. 24.08

D. 19.08

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Correct Answer: Option B

Explanation:
Combined rate = 1/23 + 1/15. Required time = 9.08 days.

This question belongs to: Maths Time and Work

Question #2

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A can complete a work in 18 days. What percentage of work will A complete in 6 days?

A. 43.33

B. 38.33

C. 33.33

D. 48.33

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Correct Answer: Option C

Explanation:
Percentage completed = (6/18) × 100 = 33.33%.

This question belongs to: Maths Time and Work

Question #3

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

A. 13.0

B. 11.0

C. 9.0

D. 15.0

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Correct Answer: Option C

Explanation:
Combined rate = 1/18 + 1/18. Time = 1 ÷ combined rate = 9.0 days.

This question belongs to: Maths Time and Work

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