Question

A and b can finish a work in 12 days a alone can do it one by fifth of the work in 12 days in how many days can we alone do it

Answer 1

Answer:

1/5 in 12 days

A completes the work in 5×12=60 days

So B will Complete the work alone = 1/12- 1/60

= 4/60

=1/15

Reverse it

15 days

So B will complete the work in 15 days