A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the work in 42 days. The two together could have completed the the work in how many days ?

A can do a piece of work in 80 days. He works at it for 10 days and th

1.	A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the work in 42 days. The two together could have completed the the work in how many days ?
Answer» A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the work in 42 days. The two together could have completed the the work in how many days ?

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A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the work in 42 days. The two together could have completed the the work in how many days ?

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