Question

The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 875 km downstream is 17.5 hours. Find the total time taken by boat to travel 650 km downstream and 45 km upstream.

A 21.5 hours
B 10.5 hours
C 20.5 hours
D 15.5 hours
E None of these
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