Question

A boat travels downstream and then returns upstream but only up to 60% of the downstream distance. The total journey takes 18 hours. The downstream speed is 25% more than the speed of the boat in still water. If the stream flows at 6 km/h, find the total distance covered by the boat.

A 432 km
B 250 km
C 300 km
D 600 km
E None of these
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