A can complete a work in 22 days and B in 26 days. If both work together, in how many days will the work be completed? MCQ with Answer and Explanation

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A can complete a work in 22 days and B in 26 days. If both work together, in how many days will the work be completed?

A. 16.92

B. 19.42

C. 14.42

D. 11.92

Answer: Option D

Solution (By JKSSB Mock Tests)

Combined rate = 1/22 + 1/26. Time = 11.92 days.

This question belongs to: Maths Time and Work

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Question #1

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A and B work together. A alone can complete the work in 30 days and B alone in 24 days. What percentage of the total daily work is contributed by A?

A. 49.44

B. 46.94

C. 51.94

D. 44.44

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Correct Answer: Option D

Explanation:
A share = (1/30) / (1/30+1/24) ×100 = 44.44%.

This question belongs to: Maths Time and Work

Question #2

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A can complete a work in 26 days. What percentage of work will A complete in 6 days?

A. 33.08

B. 28.08

C. 23.08

D. 38.08

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Correct Answer: Option C

Explanation:
Percentage completed = (6/26) × 100 = 23.08%.

This question belongs to: Maths Time and Work

Question #3

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A can complete a work in 20 days and B in 22 days. If they work together, the work will be completed in:

A. 10.48

B. 25.48

C. 20.48

D. 15.48

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Correct Answer: Option A

Explanation:
Combined rate = 1/20 + 1/22. Required time = 10.48 days.

This question belongs to: Maths Time and Work

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