Question

a can do a piece of work in 20 days and b in 30 days. they work together for 7 days and then both leave the work. then c alone finishes the remaining work in 10 days. in how many days will c finish the full work? (a) 25 days (b) 30 days (c) 24 days (d) 20 daysa can do a piece of work in 20 days and b in 30 days. they work together for 7 days and then both leave the work. then c alone finishes the remaining work in 10 days. in how many days will c finish the full work? (a) 25 days (b) 30 days (c) 24 days (d) 20 days

Answer 1

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