Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 k

Question

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 of 105 km and comes back to the starting point. The total time taken by him is:

Options:

A . 16 hours

B . 18 hours

C . 20 hours

D . 24 hours

Answer: Option D

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Question 1. 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 2. 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 3. 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 4. 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 5. 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 6. 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 7. 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?

Question 8. The speed of a boat along the stream is 12 km/hr and against the stream is 8 km/hr. The time taken by the boat to sail 2....the boat to sail 24 km in still water is?

Question 9. A motorboat in still water travels at a speed of 36 km/hr. It goes 56 km upstream in 1 hour 45 monutes. The time taken b....to cover the same distance down the stream will be-

Question 10. P, Q and R are three towns on a river which flows uniformly. Q is equidistant from P and R. I row from P to Q and back i....my boat in still water with that of the river.

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