Question

A can do a piece of work in 10daysand B can do the same piece of workin 20 days they start the work together but after 5 days A leaves B will do the remaining piece of work in​

Answer 1

Answer:

Given

A can do work in 10 days

B can do work in 20 days

so work done by A B together

1/10+1/20

2+1/20

3/20

Since A leaves work after doing 5 day

So work done by B alone

3/20-1/5

3-4/20

-1/20