Question

A and B can do a piece of work in 12 days, B and in
15 days, C and A in 20 days. How long would each
take separately to do the same work?​

Answer 1

Answer:

A&B's Iday work=I/12

B,sI day work=1 / 15. Ans

A's I day work=1/12 - 1/15.

= 15-12/180=3/180=1/60. Ans

C&A's 1 day work=1/20

A;s 1 day work=1/60

C's I day work=1/20 -1/60

=3/60-1/6o=2/60=1/30. Ans

A. Will do the work in 60 days

B. 15 days

C. 30 days