19 men can complete a work in 26 days. If 24 men work at the same rate, the work will be completed in: MCQ with Answer and Explanation

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19 men can complete a work in 26 days. If 24 men work at the same rate, the work will be completed in:

A. 35.58

B. 25.58

C. 20.58

D. 30.58

Answer: Option C

Solution (By JKSSB Mock Tests)

Total work = 494 man-days. Time = 494/24 = 20.58 days.

This question belongs to: Maths Time and Work

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Question #1

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14 men can complete a work in 26 days. If 19 men work at the same rate, the work will be completed in:

A. 34.16

B. 19.16

C. 24.16

D. 29.16

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Correct Answer: Option B

Explanation:
Total work = 364 man-days. Time = 364/19 = 19.16 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 38 days. If both work together, in how many days will the work be completed?

A. 21.03

B. 16.03

C. 18.53

D. 13.53

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Correct Answer: Option D

Explanation:
Combined rate = 1/21 + 1/38. Time = 13.53 days.

This question belongs to: Maths Time and Work

Question #3

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18 men can complete a work in 28 days. If 22 men work at the same rate, in how many days will the work be completed?

A. 24.91

B. 26.91

C. 28.91

D. 22.91

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Correct Answer: Option D

Explanation:
Total work = 18 × 28 = 504 man-days. Required days = 504/22 = 22.91 days.

This question belongs to: Maths Time and Work

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