Question

A and B individually can do a work in 15 days
and 30 days respectively. They worked together
for 5 days and then both of them left. After
that, C came and finished the remaining part
of the work in 5 days. How long will C take, to
finish the whole work alone ?
do a work in 2 days. How​

Answer 1

Answer:

which std questions is this