Question

A can do a work in 8 days,B can do it in 12 days and C can do it in 24days.How long will they ake to finish tge work if they work together.​

Answer 1

Answer:

A can do the work in 8days

In 1 day A can do 1/8 part of the work.

B can do the work in 12 days

In 1 day B can do 1/12 part of the work

C can do the work in 24 days

In 1 day c can do 1/24 part of the work

In 1 day A, B, C together can do

= { 1/8+1/12+1/24}

={(3+2+1)/24}

=6/24 =1/4 part of the work

Ans.=> A, B,C together can finish the work in 4 days.

Hope it helps....