P can do a job in 15 days. In how many days can P and Q together compl – InterviewSolution

1.	P can do a job in 15 days. In how many days can P and Q together complete the job if Q is twice as fast as P?
Answer» 5 daysStep-by-step explanation:P's work is a DAY = 1/15Q's work is a day = 2/15One day work of both TOGETHER =1/15+2/15=3/15Total days=15/3=5 days

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