P and Q can do a work in 10 days. Q and R can do it in 12 days. All three together can finish in 8 days. In how many days can P and R can complete the work?

P and Q can do a work in 10 days. Q and R can do it in 12 days. All th

1.	P and Q can do a work in 10 days. Q and R can do it in 12 days. All three together can finish in 8 days. In how many days can P and R can complete the work?
A.	10 days
B.	8 days
C.	12 days
D.	15 days
Answer» E.

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P and Q can do a work in 10 days. Q and R can do it in 12 days. All three together can finish in 8 days. In how many days can P and R can complete the work?

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