If it takes Sahel 6 days to paint the apartments of a building and it takes Kamal 8 days to do the same job, how long would it take to do the job if both painters worked together simultaneously?
সঠিক উত্তর: Option A
Both work in 1 days,
1/6+1/8=7/24
7/24 part can be done in 1 days
1 part can be done in 7/24 days