A and b can do a piece of work in 7 days. with the help of c they finish the work in 5 days. c alone can do that piece of work in?
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Explanation:
C = 1/5 – 1/6
= 1/30 => 30 days
C = 1/5 – 1/6
= 1/30 => 30 days
sanjuramesh18:
how did you get 1/6
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