Question

A and b can do a piece of work in 16 days b and c can do it in 15 days and c and A can do it 12 days. In how many days will they finish the work if they all work together and separately

Answer 1

Answer:

a+b=16day

B+c=15day

C+a=12day

Lcm 16,15,12=240

240/16=15

240/15=16

240/12=20

A+b+c =240/51

Step-by-step explanation:

So a+b+c can do work =240/51day