Ramu rows at 13 km/h in still water. The river flows at 3 km/h, and his trip to a ghat and back takes 6.5 hours in all. How far away is the ghat (in km)?

Question

Accepted Answer

40. Downstream speed = 16 km/h, upstream speed = 10 km/h. d/16 + d/10 = 6.5 → 13d/80 = 6.5 → d = 40 km.

Ramu rows at 13 km/h in still water. The river flows at 3 km/h, and his trip to a ghat and back takes 6.5 hours in all. How far away is the ghat (in km)?

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