Question

A, B and C together can do a piece of work in 2, 6 and 3 days respectively. Working together how much time will they require to complete it

Answer 1

So ratio of their work = 2:6:3

In 1 day

1/2:1/6:1/3

Lcm 6

1/2×6:1/6×6:1/3×6=3:1:2

Sum of ratio 6

A share 3/6×960=480

B share 1/6×960=160  

C share 2/6×960=320

so they will require 1 day to complete the work

MIGHT IT HELP YOU