Question

P+Q and Q+R do a work respectively 24 days and 32 days. If P work for 10 days and Q work for 14 days and remain work done R in 26 days. Find what time taken R if he work lonely

Answer 1

Answer:

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Step-by-step explanation:

P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?

A. 7/15