A can complete a work in 29 days and B in 34 days. If both work together, in how many days will the work be completed? MCQ with Answer and Explanation

Question

Share Report Error

A can complete a work in 29 days and B in 34 days. If both work together, in how many days will the work be completed?

A. 20.65

B. 23.15

C. 15.65

D. 18.15

Answer: Option C

Solution (By JKSSB Mock Tests)

Combined rate = 1/29 + 1/34. Time = 15.65 days.

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 23 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. 15.5

B. 17.5

C. 11.5

D. 13.5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Combined rate = 1/23 + 1/23. Time = 1 ÷ combined rate = 11.5 days.

This question belongs to: Maths Time and Work

Question #2

Share Report

A and B work together. A alone can complete the work in 18 days and B alone in 26 days. What percentage of the total daily work is contributed by A?

A. 64.09

B. 59.09

C. 66.59

D. 61.59

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
A share = (1/18) / (1/18+1/26) ×100 = 59.09%.

This question belongs to: Maths Time and Work

Question #3

Share Report

12 men can complete a piece of work in 12 days. If 6 men leave after 6 days, how many more days will it take to complete the remaining work?

A. 10 days

B. 8 days

C. 6 days

D. 12 days

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Total work = 12 * 12 = 144 man-days. In 6 days, 12 men complete = 12 * 6 = 72 man-days. Remaining work = 144 - 72 = 72 man-days. Remaining men = 12 - 6 = 6 men. Time taken by 6 men to complete remaining work = 72 / 6 = 12 days.

This question belongs to: Maths Time and Work

Explore All Time and Work MCQs