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Quant quiz on Boat and Stream
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Question 1
A sailor goes 12 km downstream in 48 minutes and returns in 1 hour 20 minutes. The speed of the sailor in still water is:
Question 2
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 3
A swimmer covers a distance of 20km against the current and 30 km in the direction of current. If in each case he takes 5 hours, what is the speed of the current?
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
A motor boat can travel at 10km/h in still water. It travelled 91 km downstream in a river and then returned, taking altogether 20 hours. Find the rate of flow of river.
Question 6
A boatman rows 1 km in 5 minutes, along the stream and 6 km in 1 hour against the stream. The speed of the stream is
Question 7
A person can row 
km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream is:
km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream is: - 3307 attempts
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Oct 5SSC & Railway
