Question

3 people can paint in 4 days then 4people instand of 3

Answer 1

if 3 people done in 4days then 1 man done in 1d 8hrs
4 people=1d×4+8×4
= 4d×32hrs
24 hrs =1d
Then 32 hrs is 1d 8hrs
4d+1d+8hrs
=5d 8hr