Question

A and b can do a work in 10 days tiogether . after 4 days b leavesoff. a finished the remaining work in 18 days .in how many days a can finish the while work alone .

Answer 1

10-4
6 days work is done by a
6 days work =18
1 day work=18/6
                =3
so in 10 days=10*3
                      =30 days