P can finish a piece of work in 30 dayswhile Q can finish it in 40 day – InterviewSolution

1.	P can finish a piece of work in 30 dayswhile Q can finish it in 40 days. In howmany days can P and Q workingtogether finish it?
Answer» P can finish a work in 30 days so 1/30Q can finish a work in 40 days so 1/40so if both will work together then 1/30+1/40=(4+3)/120so in 120/7 days they will complete the work

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