Question

If A and B can do a piece of work in 10 days and B can

do it in 15 days then A can do the same work in​

Answer 1

Answer:

A and B can do a work in 10 days

so, A's 1 day work = 1/10

B can do the work in 15 days

so, B's 1 day work = 1/15

so, A's 1 day work = 1/10 - 1/15

= 1/30

hence, A can do the work in 30 days.