Trains Boats and Streams Practice Test 1 with solutions

Question : 39 of 40

Marks: +1, -0

In an hour, a boat goes 17 km along the stream and 9 km against the stream. Find the rate of the current.

Solution:

Rate downstream = 17 km/hour
Rate upstream = 9 km/hour
Rate of current =

{17-9}/2

8/2

= 4 km/hour

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