One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs. for each direction. What is the velocity of stream?
Q1. One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs. for each direction. What is the velocity of stream?
Answer: 1.5 kmph
Explanation: Downstream speed = 28/5 = 5.6 km/h; upstream speed = 13/5 = 2.6 km/h. Stream velocity = (5.6 − 2.6)/2 = 1.5 km/h.