A alone can complete a task in 3 days. B alone can complete the same task in 7 days. If A and B workÂ together for 2 days, what fraction of the task will be left?_x005F_x000D_

A alone can complete a task in 3 days. B alone can complete the same t

1.	A alone can complete a task in 3 days. B alone can complete the same task in 7 days. If A and B workÂ together for 2 days, what fraction of the task will be left?_x005F_x000D_
A.	221
B.	17
C.	421
D.	121
Answer» E.

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A alone can complete a task in 3 days. B alone can complete the same task in 7 days. If A and B workÂ together for 2 days, what fraction of the task will be left?_x005F_x000D_

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