Trains Boats and Streams Practice Test 2 with solutions

Question : 38 of 40

Marks: +1, -0

A boat rows 22 km downstream and 10 km upstream in 4 hours each side. Find the speed of the current.

Solution:

Rate downstream =

{22}/4

= 5.5 km/hour
Rate upstream =

{10}/4

= 2.5 km/hour
Rate of current =

{5.5-2.5}/2

3/2

= 1.5 km/hour

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