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

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
Explanation :

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Question 1. a boat can move upstream at 25 kmph and downstream at 35 kmph, then the speed of the current is?....

Question 2. a man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. find the speed of the stream?....

Question 3. a motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minu....30 minutes. the speed of the stream (in km/hr) is:

Question 4. 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 sa....km against the stream. the rate of the stream is:

Question 5. a boat covers a certain distance downstream in 1 hour, while it comes back in 11⁄2 hours. if the speed of the stream....what is the speed of the boat in still water?

Question 6. 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 sa....km against the stream. the rate of the stream is:

Question 7. a boat covers a certain distance downstream in 1 hour, while it comes back in 11⁄2 hours. if the speed of the stream....what is the speed of the boat in still water?

Question 8. a person can row at 9 kmph and still water. he takes 4 1/2 hours to row from a to b and back. what is the distance bet....b if the speed of the stream is 1 kmph?

Question 9. a man can row downstream at 18 kmph and upstream at 10 kmph. find the speed of the man in still water and the speed of....man in still water and the speed of stream respectively?

Question 10. the time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. i....water is 42 kmph, find the speed of the stream?

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