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Question 1
A man rows upstream 36 km and downstream 48 km taking 6 hours each time. The speed of the current is
Question 2
A boat goes downstream in one third the time it takes to go upstream. Then, the ratio between the speed of boat in still water and that of the stream is
Question 3
The current of a stream runs at the rate of 4 km an hour. A boat goes 6 km and comes back to the starting point in 2 hours. The speed of the boat in still water is ______.
Question 4
A boat rows 10 km upstream and back again to the starting point in 55 minutes. If the speed of stream is 2km/h, find the speed of boat in still water.
Question 5
The speed of a boat in still water is 10km/hr. It covers upstream a distance of 45 km in 6 hours. The speed (in km/hr) of the stream is
Question 6
A man can row 6 km/h in still water. If the speed of the current is 2 km/h, it takes 3 h more in upstream than in the downstream for the same distance. The distance is
Question 7
A boat running downstream, covers a distance of 20 km in 2 h, while it covers the same distance upstream in 5 h. Then, speed of the boat in still water is
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Jun 10SSC & Railway
