A man and boy can complete a work in 18 days . If a man works alone for last five days , he completes the work in 20 days . 

How long will the boy take to complete the whole work alone

Asked by chehakkataria2006 | 2nd Mar, 2020, 03:40: PM

Expert Answer:

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Answered by Arun | 8th Mar, 2020, 02:10: PM