Question

Three men A, B and C can complete a job in 8, 12 and 16 days respectively. A and B work together for 3 days; then B leaves and C joins. In how many days, can A and C finish the work?

Answer 1

Answer:

Step-by-step explanation:

A&B work (1/8+1/12)*3days= 5/8 th of work.

Remained work 1-5/8

A&C work~ (1/8+1/16)*x= 3/8.

x=2day finish the work