P and Q together can complete a work in 20 days. If P alone can complete the same work in 36 days, then in how many days Q alone can complete the same work?

P and Q together can complete a work in 20 days. If P alone can comple

1.	P and Q together can complete a work in 20 days. If P alone can complete the same work in 36 days, then in how many days Q alone can complete the same work?
A.	48 days
B.	42 days
C.	45 days
D.	51 days
Answer» D. 51 days

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P and Q together can complete a work in 20 days. If P alone can complete the same work in 36 days, then in how many days Q alone can complete the same work?

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