Question

A can do a piece of work in 10days while B alone can do it in 15 days. in how much days can both finish the same work

Answer 1

i hope apko samjh aayga

Answer 2

A's 1 day's work = 1/10
B's 1 day's work = 1/15
(A+B)'s 1 day's work = 1/10 + 1/15 = 1/6

(A+B) take 6 days to finish the work.

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