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Boats and Streams - Data Intensity 1 :: Discussion
| 18. | A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey? | |
| A. | 8 kmph | |
| B. | 4 kmph | |
| C. | 2 kmph | |
| D. | 10 kmph | |
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