A can Finish the Remaining Work in:

A can do a piece of work in 20 days which B can do in 12 days. B worked at it for 9 days. A can finish the remaining work in :

  1. 3 days
  2. 5 days
  3. 7 days
  4. 11 days
Desire Adnan Default Asked on 4th August 2015 in Maths.
Add Comment
1 Answer(s)

Answer:  (2) 5 days
Explanation:-
A can do a piece of work = 20 days
Therefore, A can do work in a day = 1/20

B can do the same work = 12 days
Therefore, B can do the work in a day = 1/12

B can do the work in 9 days = 9/12
= 3/4
Remaining work = 1 – 3/4
= (4 – 3) /4
= 1/4

Then, A can finish the remaining work = 20 x 1/4
= 5 days

Hence, the answer is (2) 5 days.

Anurag Mishra Professor Answered on 5th August 2015.
Add Comment

Your Answer

By posting your answer, you agree to the privacy policy and terms of service.