Question

Sonu can do a piece of work in20 days. He started the work andleft after some days, when 25%work was done. After it abhijeetjoined and completed work in 10days. In how many days sonuand abhijeet can complete thewhole work.

Answer 1

sonu can do work in 20 days but left at 25 percent so he did 5 days and abhijeet did work in 10 days
total is 10+5 which is 15 days