What time will be taken by a boat to cover a distance of 128 km along the stream, if speed of a boat in still water is 24 km/h and speed of stream is 8 km/h?
Correct Answer: Description for Correct answer:
Given,
Speed of boat in still water = x = 24 km/h
Speed of stream = y = 8 km/h
Therefore, Downstream speed of boat = x+y = 24+8 = 32km/h
Therefore, Required time = \( \Large \frac{Distance}{Speed (downstream)} \)
\( \Large \frac{128}{32} \) = 4 hrs
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