G and H can do a work in 30 days. If H alone can do it in 50 days, then G alone can do it in ______ days.

G and H can do a work in 30 days. If H alone can do it in 50 days, the

1.	G and H can do a work in 30 days. If H alone can do it in 50 days, then G alone can do it in ______ days.
A.	75
B.	70
C.	60
D.	65
Answer» B. 70

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G and H can do a work in 30 days. If H alone can do it in 50 days, then G alone can do it in ______ days.

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