Question

A and B can do a job in 10days and 15 days respectively.they work on alternate days,A beginning the work.in how many days will the work be finished​

Answer 1

Answer:

In 1 day A can finish 1/10 of work

In 1 day B can finish 1/15 of work

In 2 days if they work alternatively

Work finished=1/10+1/15=1/6

Days required to finish the whole work=2/(1/6)=12days

Hope this helps you

Plz follow me