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A boat goes 220 km downstream and 108 km...

A boat goes 220 km downstream and 108 km upstream in 20 hr. Speed of the boat in still water is 4 times the speed of the stream. Find the sum of time taken by the boat to go 40 km in downstream and 48 km upstream?

A

8 hrs

B

10 hrs

C

6 hrs

D

9 hrs

Text Solution

Verified by Experts

The correct Answer is:
C
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ADDA247-BOAT AND STREAM -Prelims Questions (Level-1)
  1. The speed of the boat in still water in 15 km/hr. If the boat travels ...

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  2. Speed of boat in still water is 200% more than speed of boat in upstre...

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  3. A boat goes 220 km downstream and 108 km upstream in 20 hr. Speed of t...

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  4. If A boats takes 9 hours more to travel 65 km in upstream then to trav...

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  5. A boat covers 36 km in downstream in 4 hrs, if the speed of the curren...

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  6. A boat can cover 48 km in downstream in 1 h 30 min less time than that...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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