A can complete a work in 24 days and B in 26 days. If they work together, the work will be completed in: MCQ with Answer and Explanation

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A can complete a work in 24 days and B in 26 days. If they work together, the work will be completed in:

A. 17.48

B. 22.48

C. 12.48

D. 27.48

Answer: Option C

Solution (By JKSSB Mock Tests)

Combined rate = 1/24 + 1/26. Required time = 12.48 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 27 days and B in 37 days. If both work together, in how many days will the work be completed?

A. 15.61

B. 20.61

C. 23.11

D. 18.11

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Correct Answer: Option A

Explanation:
Combined rate = 1/27 + 1/37. Time = 15.61 days.

This question belongs to: Maths Time and Work

Question #2

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22 men can complete a work in 14 days. If 27 men work at the same rate, the work will be completed in:

A. 26.41

B. 21.41

C. 16.41

D. 11.41

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Correct Answer: Option D

Explanation:
Total work = 308 man-days. Time = 308/27 = 11.41 days.

This question belongs to: Maths Time and Work

Question #3

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A can do a work in 11 days and B in 17 days. In how many days will they complete 75% of the work together?

A. 7.51

B. 5.01

C. 12.51

D. 10.01

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Correct Answer: Option B

Explanation:
Combined time for full work multiplied by 0.75 = 5.01 days.

This question belongs to: Maths Time and Work

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