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A, B and C are situated at the bank of river which is flowing at a constant rate. B is at an equal distance with A and C.A swimmer Avinash takes 10 h to swim from A to B and B to A .Also ,he takes 4 h to swim from A to C. What is the ratio of speed of Avinash in still water and speed of stream? |
| Answer» ANSWER :A | |