In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the strea

Question

In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

Options:

A . 3 km/hr

B . 5 km/hr

C . 8 km/hr

D . 9 km/hr

Answer: Option C

Speed in still water = \(\frac{1}{2}\) (11 + 5) kmph = 8 kmph.

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More Questions on This Topic :

Question 1. A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes ....What is the speed of the boat in still water?

Question 2. The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in ....3 km/hr. The distance travelled downstream in 12 minutes is:

Question 3. A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of th....water is 10 mph, the speed of the stream is:

Question 4. A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place a....a place and come back, how far is the place?

Question 5. A boat covers a certain distance downstream in 1 hour, while it comes back in 1 \(\frac{1}{2}\) hours. If the speed....what is the speed of the boat in still water?

Question 6. 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 7. A man can row three-quarters of a kilometre against the stream in 11 \(\frac{1}{4}\) minutes and down the stream in....speed (in km/hr) of the man in still water is:

Question 8. 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 9. 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 10. 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:

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