22.
A man rows 13 km upstream in 5 hours and also 28 km downstream in 5 hours. The
velpciy of the stream is :. [Assistant Grade]
1.5
km/hr 2.5 km/hr
2
mk/hr 3 km/hr
Answer: 1.5 km/hr
Explanation: speed upstream = (13/5) kmph
speed
downstream (28/5) kmph
Velocity
of stream = (1/2)[(28/5) - (13/5)] = 1.5 kmph
