Question

A boatman rows downstream a distance of 30 km in 6 hours and upstream a distance of 24 km in 6 hours. The ratio of speed of boat in still water and speed of current is 1) 9 : 1 2) 8 : 1 3) 9 : 2 4) 8 : 3 5) none of these

Answer 1

Explanation:

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