A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?

Related Mcqs:

1. 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_________?

   A. 16 hours
   B. 18 hours
   C. 20 hours
   D. 24 hours

2. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?

   A. 70, 10 kmph
   B. 35, 27 kmph
   C. 50, 60 kmph
   D. 45, 55 kmph

3. 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 stream respectively?

   A. 13, 3
   B. 12, 6
   C. 15, 3
   D. 14, 4

4. A train when moves at an average speed of 40 kmph, reaches its destination on time. When its average speed becomes 35 kmph, then it reaches its destination 15 minutes late. Find the length of journey.

   A. 30 km
   B. 40 km
   C. 70 km
   D. 80 km

5. A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water?

   A. 60 kmph
   B. 10 kmph
   C. 30 kmph
   D. 5 kmph

6. The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?

   A. 10 seconds
   B. 15 seconds
   C. 20 seconds
   D. 12 seconds
   E. None of these

7. A man travels from A to B at a speed of 30 kmph and returns with a speed of 60 kmph. What is the average speed of the man?

   A. 47.5
   B. 50
   C. 45
   D. 40

8. A man rows at a speed of 6 km/hr in still water. If the time taken to row a certain distance upstream is 4 times the time taken to row the same distance downstream, what is the speed of the river?

   A. 1.8 km/hr
   B. 3 km/hr
   C. 3.6 km/hr
   D. 4 km/hr

9. If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph. then the man’s rate along the current is__________?

   A. 4.25 kmph
   B. 6 kmph
   C. 6.5 kmph
   D. 8.5 kmph

10. A man can row with a speed of 15 kmph in still water. If the stream flows at 5 kmph, then the speed in downstream is________?

    A. 10 kmph
    B. 5 kmph
    C. 20 kmph
    D. 22 kmph