A boat covers a certain distance downstream in 1 hour, while it comes back in $$

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A boat covers a certain distance downstream in 1 hour, while it comes back in $$1\frac{1}{2}$$ hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

Answer: Option D

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Question 1. A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long ....will it take to go 5 km in stationary water?

Question 2. A man can row three-quarters of a kilometer against the stream in $$11\frac{1}{4}$$ minutes and down the stream in $$7\f....speed (in km/hr) of the man in still water is:

Question 3. Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance....the starting point. The total time taken by him is:

Question 4. A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ....of the boat (in still water) and the stream is:

Question 5. A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same....km against the stream. The rate of the stream is:

Question 6. A man can row at a speed of $$4\frac{1}{2}$$ km/hr in still water. If he takes 2 times as long to row a distance upstrea....distance downstream, then the speed of stream (in km/hr) is-

Question 7. A boat covers 24 km upstream and 36 km downstream in 6 hours, while it covers 36 km upstream and 24 km downstream in $$6....downstream in $$6\frac{1}{2}$$ hours. The speed of the current is?

Question 8. A boat while dowenstream in a reiver converd a distance of 50 miles at an average speed of 60 miles per hour. While retu....distance What was the average speed during the whole journey?

Question 9. A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the ....in still water and the speed of current are respectively.

Question 10. A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr he takes 4 hours more in upstream than the ....hours more in upstream than the downstream. The distance is?

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