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A boatman row to a place 45 km distan...

A boatman row to a place 45 km distant and back in 20 hours. He finds that he can row 12 km with the stream in the same time as 4 km against the stream. Find the speed of the stream.

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A boatman rows to a place 45 km distant and back in 20 hours. He finds that he can row 12 km with the stream in same time as 4 km against the stream . Find the speed of the stream.

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RS AGGARWAL-BOATS AND STREAMS-All Questions
  1. A man can row 7 1/2 kmph in still water. If in a river running at 1.5 ...

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  2. A boat goes 8 km upstream and then returns. Total time taken is 4 h...

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  3. A boatman row to a place 45 km distant and back in 20 hours. He fin...

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  4. A man can row 40 km upstream and 5 km downstream in 13 hours. Also he ...

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  5. A boat goes 8 km in one hour along the stream and 2 km in one hour ...

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  6. In one hour, a boat goes 11 km along the stream and 5 km against th...

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  7. A man rows downstream 32 km and 14 km upstream. If he takes 6 hours to...

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  8. A boatman row 1 km in 5 minute, along the stream and 6 km in 1 hour ag...

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  9. A boat takes half time in moving a certain distance downstream than up...

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  10. If a man goes 18 km downstream in 4 hours and returns against the stre...

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  11. A boat man goes 2 km against the current of the stream in 1 hour and g...

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  12. A man can row 3/4 of a km against the stream in 11 1/4 minutes and ret...

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  13. A boat, while going downstream in a river covered a distance of 50 ...

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  14. A man swimming in a stream which flows 1 1/2\ km//hr finds that in a g...

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  15. A boat running upstream takes 8 hours 48 minutes to cover a certain...

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  16. If a boat goes 7 km upstream in 42 minutes and the speed of the stream...

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  17. A man's speed with the current is 15 km / hr and the speed of the c...

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  18. If a man rows at the rate of 5 kmph in still water and his rate aga...

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  19. A motorboat in still water travels at a speed of 36 km/hr. It goes 56 ...

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  20. Speed of a boat in standing water is 9 kmph and the speed of the st...

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