Question

time and work .after doing 4/15 of a work in 20 days , viswakaemaa calls in panchu with his help finishes the work in 22 days more . in what time could panchi mistry do it alone?

Answer 1

A is doing 100% work in 20 days; it means that he does 5% work in 1 day. As per question, A + B can do a work (i.e 100%) in 15 days. A can do 5*15 =75% work in 15 days. Which means that B does only ...