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Time taken by a boat to cover (D-11) km ...

Time taken by a boat to cover (D-11) km in upstream is 5 times of the time taken by boat to cover (D-21) km in downstream. If ratio of speed of current to speed
of boat in downstream is 1:3 and boat can cover (D-8) km in upstream in 14 hours, then, find speed of boat in still water?

A

A)6 kmph

B

B)4 kmph

C

C)8 kmph

D

D)5 kmph

Text Solution

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The correct Answer is:
B
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ADDA247-BOAT AND STREAM -Prelims Questions (Level-2)
  1. A boat which takes 6 hr to travel 105 km in still water, goes 364 km i...

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  2. The speed of a boat in still water is 15 kmph rate of current is 3 kmp...

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  3. Time taken by a boat to cover (D-11) km in upstream is 5 times of the ...

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  4. The ratio of speed of boat in still water to speed of stream is 11: 1....

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  5. A boat cover 11.2 km distance in downstream in 48 minutes. If ratio be...

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  6. A Boat is moving in downstream and speed of Boat in still water is 5 t...

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  7. Ratio of time taken to cover (A +5} km in downstream to that of time t...

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  8. Read the given information carefully and answer the following question...

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  9. Read the given information carefully and answer the following question...

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  10. Read the given information carefully and answer the following question...

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  11. Read the given information carefully and answer the following question...

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  12. Read the given information carefully and answer the following question...

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  13. Speed of a boat in still water is 20 km/hr and speed of current 'is 4 ...

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  14. In a River there are two boats A and B, where boat A covers 240 km in ...

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  15. Two banks are located on a river and are 28 km apart: Leaving one of t...

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  16. A boat covers (D + 80) km in downstream and 'D' km upstream in total ...

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  17. Upstream speed of boat is 33(1)/(3)% less than downstream speed of b...

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  18. A boat goes certain distance downstream and then returnth (3)/(4) th o...

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  19. A cruise ship X is 380 m long and travels at a speed of 32 kmph in sti...

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  20. Speed of boat in downstream is twice the speed of boat in upstream, if...

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