A and B work together. A alone can complete the work in 18 days and B alone in 34 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 18 days and B alone in 34 days. What percentage of the total daily work is contributed by A?

A. 65.38

B. 67.88

C. 70.38

D. 72.88

Answer: Option A

Solution (By JKSSB Mock Tests)

A share = (1/18) / (1/18+1/34) ×100 = 65.38%.

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

18 men can complete a work in 22 days. If 22 men work at the same rate, in how many days will the work be completed?

A. 24.0

B. 22.0

C. 20.0

D. 18.0

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Total work = 18 × 22 = 396 man-days. Required days = 396/22 = 18.0 days.

This question belongs to: Maths Time and Work

Question #2

Share Report

15 men can complete a work in 23 days. If 23 men work at the same rate, how many days are required?

A. 15.0

B. 20.0

C. 17.5

D. 22.5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Total work = 345 man-days. Days = 15.0.

This question belongs to: Maths Time and Work

Question #3

Share Report

A can complete a work in 11 days and B in 14 days. If they work together, the work will be completed in:

A. 6.16

B. 11.16

C. 21.16

D. 16.16

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Combined rate = 1/11 + 1/14. Required time = 6.16 days.

This question belongs to: Maths Time and Work

Explore All Time and Work MCQs