A can complete a work in 34 days and B in 38 days. If both work together, in how many days will the work be completed? MCQ with Answer and Explanation

A can complete a work in 34 days and B in 38 days. If both work together, in how many days will the work be completed?

A. 25.44

B. 22.94

C. 17.94

D. 20.44

Answer: Option C

Combined rate = 1/34 + 1/38. Time = 17.94 days.

This question belongs to: Maths Time and Work

No comments yet. Be the first to start the discussion!

Question #1 Report Error

A can complete a work in 8 days and B in 13 days. If they work together, the work will be completed in:

A. 19.95

B. 9.95

C. 14.95

D. 4.95

Correct Answer: Option D

Explanation:
Combined rate = 1/8 + 1/13. Required time = 4.95 days.

This question belongs to: Maths Time and Work

Question #2 Report Error

A can complete a work in 19 days and B in 19 days. If they work together, the work will be completed in:

A. 9.5

B. 14.5

C. 19.5

D. 24.5

Correct Answer: Option A

Explanation:
Combined rate = 1/19 + 1/19. Required time = 9.5 days.

This question belongs to: Maths Time and Work

Question #3 Report Error

A can complete a work in 18 days and B can complete the same work in 23 days. If they work together, in how many days will the work be completed?

A. 14.1

B. 16.1

C. 10.1

D. 12.1

Correct Answer: Option C

Explanation:
Combined rate = 1/18 + 1/23. Time = 1 ÷ combined rate = 10.1 days.

This question belongs to: Maths Time and Work