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A boat takes 90 minutes less to travel 3...

A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is –

A

4 km/h

B

3 km/h

C

2.5 km/h

D

2 km/h

Text Solution

Verified by Experts

The correct Answer is:
D
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ADDA247-BOAT AND STREAM -Prelims Questions (Level-1)
  1. A boat can cover 48 km in downstream in 1 h 30 min less time than that...

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  2. Sanjay can cover a distance of 30 km in upstream and 45 km in downstre...

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  3. A boat takes 90 minutes less to travel 36 miles downstream than to tra...

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  4. A boat covers a distance of 10.8 km upstream in 36 minutes and the spe...

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  5. The total time taken by a boat to cover 48 km downstream and 36 km ups...

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  6. A boat can cover 36 km upstream and 55 km downstream in 11 hrs and 48 ...

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  7. A boat which has a speed of 6 km/hr in still water cover 2 km in upstr...

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  8. Speed of boat in still water is 12 meter/sec and speed of current is 1...

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  9. Manoj starts swimming in upstream from point P after 12 sec he swims b...

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  10. A man can row 60 km in downstream and 35 km in upstream in 9 hours. Al...

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  11. Ratio between speed of boat in still water to speed of stream is 5: 1....

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  12. A boat can cover certain distance in upstream in 16 minutes and the sa...

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  13. A boat can cover 160 km downstream in half of the time in which it can...

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  14. Speed of boat in still water is 37.5% less than the speed of the boat ...

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  15. Difference between downstream and upstream speed of a boat is 6 km/h. ...

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  16. To cover a certain distance D in downstream, slower boat took 50% more...

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  17. Ratio of upstream speed to that of downstream speed is 3:5. If speed o...

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  18. Ratio of speed of a boat in upstream to in downstream is 11:14. If boa...

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  19. The time take by a boat in upstream is double than the time taken by i...

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  20. If ratio between speed of boat in still water and speed of stream is 2...

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