Question

A can do a piece of work in 10 days and B in 20 days. They begin together but A leaves 2 days before the completion of the work.In how many days will the whole work be completed? ​

Answer 1

Answer:

28 days

Step-by-step explanation:

.: A can do a piece of work in 10 days

.: B can do a piece of work in 20 days

.: A 2day before the completion of the work

.: A=10 days and B=20 days

.: 10+20=30

.: 30-2=28

.: 28 days will the whole work be completed