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A boat can cover a distance of 7.2 km do...

A boat can cover a distance of 7.2 km downstream and 3.2 km upstream in 2 hours. It can also cover 1.5 km downstream and 0.6 km upstream in 24 minutes. What is the speed of the boat when going downstream (in km/h) ? /
एक नाव धारा के अनुकूल 7.2 किमी और धारा के विपरीत 3.2 किमी की दूरी 2 घंटे में तय कर सकती है | यह धारा के अनुकूल 1.5 किमी और धारा के विपरीत 0.6 किमी की दूरी भी 24 मिनट में तय कर सकती है | धारा के अनुकूल नाव की चाल कितनी ( किमी/घंटा में) है ?

A

a)6

B

b)4.5

C

c)5

D

d)7.5

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PINNACLE-BOAT & STREAM-EXERCISE
  1. A boat can cover a distance of 7.2 km downstream and 3.2 km upstream i...

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  2. A person can row a distance of 4 km upstream in 1 hour 20 minutes and ...

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  3. A boat can go 30 km downstream and 24 km upstream in 2 hours 27 minute...

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  4. A boat can go 10 km downstream and 8 km upstream in 49 minutes. Also i...

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  5. A boat can go 30 km downstream and 24 km upstream in 2 hours 27 minute...

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  6. A boat can go 20 km downstream and 30 km upstream in 2 hours 20 minute...

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  7. The speed of a boat in still water is 6 km/h. If it takes four times m...

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  8. The speed of a boat in still water is 8 km/h. If the speed of current ...

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  9. A boat can travel 60 km in 3 hours while going downstream. It can trav...

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  10. The downstream speed of a boat is 14 km/h. The upstream speed of this ...

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  11. A boat covers 64 km upstream in 8 hours and 120 km downstream in 12 ho...

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  12. The speed of a boat in still water is 30 km/hr. If the boat covers 60 ...

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  13. The speed of a boat in still water is 6 km/h. Time taken by the boat t...

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  14. If the speed of the stream is 20% of the speed of boat in still water ...

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  15. A boat takes 80 minutes to 12 km upstream and 60 minutes to row 15 km ...

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  16. In one hour, a man rows his canoe against the stream at 11 km/h and al...

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  17. A man can row a boat in still water at a speed of 5 m/s. He covers a s...

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  18. A boat goes at 20 km/h up stream and at 30 km/h down the stream. What ...

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  19. A boat can go 10 km upstream and 20 km downstream in 7 hours. It can g...

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  20. A boat takes 45 minutes to go 3 km upstream and 4 1/2 km downstream wh...

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