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 rate of stream is

Related Mcqs:

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 ratio of the speed of the boat (in still water) and the stream is________?

   A. 2 : 1
   B. 3 : 1
   C. 3 : 2
   D. 4 : 3

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 same distance in river. The speed of the current is:________?

   A. 3 1/3 km/hr
   B. 3 1/9 km/hr
   C. 1 ¼ km/hr
   D. 4 2/3 km/hr

3. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?

   A. 6.24 km
   B. 6 km
   C. 5.76 km
   D. 5.66 km

4. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?

   A. 3.12 km
   B. 2.88 km
   C. 3 km
   D. 2 km

5. The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?

   A. 12 kmph
   B. 13 kmph
   C. 14 kmph
   D. 15 kmph

6. A man can row at 5 km/hr in still water, if the river is running at 1 km/hr it takes him 75 minutes to row to a place and back. How far is the place?

   A. 2.5km
   B. 3km
   C. 4 km
   D. 5 km

7. A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man’s rate is________?

   A. 1 kmph
   B. 5 kmph
   C. 8 kmph
   D. 3 kmph

8. A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:_________?

   A. 2
   B. 3
   C. 4
   D. 5

9. 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 between A and B if the speed of the stream is 1 kmph?

   A. 32 km
   B. 25 km
   C. 28 km
   D. 24 km
   E. None of these

10. A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?

    A. 20/6 hours
    B. 27/2 hours
    C. 30 hours
    D. 30/13 hours