Trains Boats and Streams Practice Test 2 with solutions

Question : 8 of 40

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The speed of a boat in the still water is 6 km/h and the speed of the stream is 1.5 km/h. A man rows to a place at a distance of 22.5 km and comes back to the starting point. Find the total time taken by him.

8 hr
4 hr
7 hr
2 hr

Validate

Solution:

Speed downstream = 7.5 km/hour
Speed upstream = 4.5 km/hour
Time taken =

{22.5}/{7.5}+{22.5}/{4.5}

= 3 + 5 = 8 hours

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