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

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 . 12 hours

B . 16 hours

C . 20 hours

D . 24 hours

Answer: Option D
Explanation :

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Question 1. a boat takes 6 hours to travel from place m to n downstream and back from n to m upstream. if the speed of the boat in....km/hr, what is the distance between the two places ?

Question 2. a boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same....is the ratio between the speed of the boat and

Question 3. 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 i....3 km/hr. the distance travelled downstream in 12 minutes is

Question 4. a boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same....is the ratio between the speed of the boat and

Question 5. a boat covers a distance of 30 km downstream in 2 hours while it take 6 hours to cover the same distance upstream. if ....speed of the boat then what is the speed o

Question 6. a man can row at 10 kmph in still water. if it takes a total of 5 hours four him to go to a place 24 km away and retur....return, then the speed of the water current is :

Question 7. a man rows downstream 32 km and 14 km upstream, and he takes 6 hours to cover each distance. what is speed of the curr....to cover each distance. what is speed of the current?

Question 8. a sailor sails a distance of 48 km along the flow of a river in 8 h. if it takes 12 h to return the same distance, the....then the speed of the flow of the river is

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