Question

A and B together can complete a work in 20 days. If A alone can do a piece of work in 24 days.Then B alone can complete a work in?​

Answer 1

Answer:

120 days

Step-by-step explanation:

a+b make a work in 20 days.

as per question

a can do that work in 24 days.

we count that work '1' as whole

then we can write

in 24 days a complete 1 work

in 1 day a complete 1/24 work

in 20 days a complete 20/24 work

it means b complete 4/24 work in 20 days

so..b can complete the work in 120 days....