A man can do a piece of work in 6 days which he can complete in 4 days when his friend helps him. His friend can complete the work alone in what days?
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6
Answer:
days to complete this work is 6 .
number of days complete is 4.
days in his friend do the work alone = 6 - 4 =2
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Step-by-step explanation:
a man can do a piece of work in
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