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?_x005F_x000D_ A. Distance between point A and B._x005F_x000D_ B. Time taken to travel downstream from B to A._x005F_x000D_ C. Speed of the stream of water.

Any one pair of A and B, B and C or C and A is sufficient

A boat takes 2 hours to travel from point A to B in still water. To fi

1.	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?_x005F_x000D_ A. Distance between point A and B._x005F_x000D_ B. Time taken to travel downstream from B to A._x005F_x000D_ 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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