Suptisree BiswasKnowledge Contributor
A and B can together do a piece of work in 18 days and A alone can do it in 36 days. In how many days B alone can do it?
A and B can together do a piece of work in 18 days and A alone can do it in 36 days. In how many days B alone can do it?
(A + B)’s 1 day’s work – A’s 1 day’s work
= 1/18 – 1/36
= (2 – 1)/36
= 1/36
B alone will do the work in 36 days.
Answer: B alone will do the work in 36 days.