The ratio of the speed of boat in still water to the speed of stream is 16 :5. A boat goes 16.5 km in 45 minute upstream. Find the time taken by boat to cover the distance of 175 km downstream.
A. 30minutes
B. 25minutes
C. 50minutes
D. 45minutes
সঠিক উত্তরঃ
B.
25minutes
Explanation:
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