Trains Boats and Streams Practice Test 4 with solutions

Question : 20 of 40

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A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr then the time taken by the boat to go 68 km downstream is:

5 hours
4 hours
3 hours
2 hours

Validate

Solution:

Downstream speed = 13 + 4 = 17 km/hr
The time taken =

{68}/{17}

= 4 hours

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