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Q: A boat takes 2 hours to travel from point A to B in still water. To find out its speed upstream, which of the following information is/are required? A. Distance between point A and B. B. Time taken to travel downstream from B to A. C. Speed of the stream of water.

A. Only A and B
B. Only B and C
C. All are required
D. Any one pair of A and B, B and C or C and A is sufficient
Answer» E.


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