Question

If 6 men finish a piece of work in 8 days, how long will it rake 4 men to​

Answer 1

6 men working 8days = 48man days
So if 4men were to do same work then=48/4 =12 days
So it takes 12 days

Answer 2

6 men finish a piece of work in 8 days

1 men finish a piece of work in 8*6 days

4men will finish a piece of work in 48/4

days

..

which is equal to 12 days