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The speed of a boat in still water is 6 km/h. Time taken by the boat to cover a certain distance upstream is 3 hours more than the time taken to cover the same distance downstream. If the speed of the stream is 2 km/h, then what is the total distance, upstream and downstream, covered by the boat?
स्थिर जल में किसी नाव की चाल 6 किमी/घंटा है | धारा के विपरीत किसी निश्चित दूरी को तय करने में नाव को लगने वाला समय धारा के अनुकूल इसी दूरी को तय करने में लगने वाले समय से 3 घंटा अधिक है | यदि धारा की चाल 2 किमी/घंटा है, तो नाव के द्वारा धारा के विपरीत तथा धारा के अनुकूल तय की गयी कुल दूरी ज्ञात करें |

A

72 km

B

24 km

C

48 km

D

36 km

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PINNACLE-BOAT & STREAM-EXERCISE
  1. A boat covers 64 km upstream in 8 hours and 120 km downstream in 12 ho...

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

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

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

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

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

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

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

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

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

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  11. The speed of a boat in still water is 15 km/h. The speed of the curren...

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  12. A boat goes a distance of 4 km upstream in 2 hours and the same distan...

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  13. Abhi rows upstream a distance of 28 km in 4 hours and rows downstream ...

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  14. The speed of boat in still water is 18 km/h and the speed of the curre...

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  15. A man can row a distance of 900 meters against the stream in 12 minute...

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  16. A boat can go 3 km upstream and 5 km downstream in 55 minutes. It can ...

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  17. The time taken by a boat to travel 13 km downstream is the same as tim...

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  18. A boat can go 3.6 km upstream and 5.4 km downstream in 54 minutes, whi...

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  19. In a stream running at 3 km/h, a motorboat goes 12 km upstream and bac...

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  20. A boat covered a distance of 15 km upstream in 5 hours and a distance ...

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