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A can do a piece of work in 80 days. He ...

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 complete the work in….

A

24 days

B

25 days

C

30 days

D

35 days

Text Solution

Verified by Experts

The correct Answer is:
C
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