Time & Work
Mohan can do a piece of work is 15 days and Sohan can
complete the same work in 20 days. In how many days, can
both working together can complete the work?
solution:-?
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Answer:
Mohan can do a piece of work in-15 days
Mohans one day work -1/15
Sohan can do a piece of work in - 20 days
Sohans one day work -1/20
by working together ,
the work done by both of them in one day- 1/15+1/20
=7/60
Thus work done in one day by borh of them is 7/60
thus full work will be done by them in 60/7 days
Thus answer is 60/7 days
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