A can do a work in 11 days and B in 29 days. In how many days will they complete 75% of the work together? MCQ with Answer and Explanation

Question

Share Report Error

A can do a work in 11 days and B in 29 days. In how many days will they complete 75% of the work together?

A. 10.98

B. 5.98

C. 13.48

D. 8.48

Answer: Option B

Solution (By JKSSB Mock Tests)

Combined time for full work multiplied by 0.75 = 5.98 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

15 men can complete a work in 22 days. If 20 men work at the same rate, the work will be completed in:

A. 21.5

B. 16.5

C. 26.5

D. 31.5

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Total work = 330 man-days. Time = 330/20 = 16.5 days.

This question belongs to: Maths Time and Work

Question #2

Share Report

Three pumps working 8 hours a day can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the same tank in 1 day?

A. 10 hours

B. 12 hours

C. 16 hours

D. 15 hours

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Using P1 * D1 * H1 = P2 * D2 * H2: 3 * 2 * 8 = 4 * 1 * H2 => 48 = 4 * H2 => H2 = 12 hours.

This question belongs to: Maths Time and Work

Question #3

Share Report

A can complete a work in 26 days and B in 52 days. After working together for 5 days, what percentage of work remains?

A. 78.65

B. 76.15

C. 71.15

D. 73.65

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Remaining work = (1 - 5*(1/26+1/52))×100 = 71.15%.

This question belongs to: Maths Time and Work

Explore All Time and Work MCQs