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? MCQ with Answer and Explanation

Question

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. 46.94

B. 49.44

C. 51.94

D. 44.44

Answer: Option D

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Time and Work

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Time and Work Questions

Question #1

Share Report

A can complete a work in 24 days and B in 23 days. If both work together, in how many days will the work be completed?

A. 11.74

B. 19.24

C. 16.74

D. 14.24

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Combined rate = 1/24 + 1/23. Time = 11.74 days.

This question belongs to: Maths Time and Work

Question #2

Share Report

A can complete a work in 23 days and B in 15 days. If they work together, the work will be completed in:

A. 24.08

B. 9.08

C. 19.08

D. 14.08

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

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 #3

Share Report

A can complete a work in 13 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. 9.55

B. 7.55

C. 11.55

D. 13.55

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Combined rate = 1/13 + 1/18. Time = 1 ÷ combined rate = 7.55 days.

This question belongs to: Maths Time and Work

Explore All Time and Work MCQs