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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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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 can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the sam....same distance in river. The speed of the current is:________?

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Question 6. A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in stil....between the rate in still water and rate of current?

Question 7. A man can row three-quarters of a kilometer against the stream in 11 ¼ minutes and return in 7 ½ minutes. The speed of....minutes. The speed of the man in still water is________?

Question 8. A man can row 7 ½ kms on hour in still water and he finds that it takes hi twice as long to row down the river. The rat....to row down the river. The rate of stream is

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