Question

in the rafting situation, a boat goes 30 km downstream in 75 minutes and same distance upstream in 90 minutes, the speed ( in km/hr) of stream​

Answer 1

Answer:

A boat goes 30 km downstream = 75 minutes

" " 1 km " = 75 / 30= 2.5 minutes

So,

90/ 2.5 =36

Distance Upstream in 90 minutes = 36 km