The ratio of the upstream speed to the downstream speed of a boat is 3 : 5 3 : 5 3 : 5 . The approximate time taken to cover 60 e x t k m 60 ext{ km} ...
Question
The ratio of the upstream speed to the downstream speed of a boat is . The approximate time taken to cover downstream and upstream is $16$ hours $10$ minutes. Find the approximate time taken by the boat to cover upstream.