Question
The total time taken by a boat to cover a certain distance in downstream and the same distance in upstream is 10 hours. The same boat can cover 1200 km distance in still water in (t-1) hour. The speed of boat in still water is 2.5 times of the speed of stream. Which of the following statements is/are correct? (i) If ‘t’ = 7, then the speed of the boat in still water will be 200 km/h. (ii) If the speed of boat in still water is 250 km/h, then the distance covered by the boat in downstream and upstream will be the multiple of 3. (iii) If the speed of stream is 60 km/h, then the value of ‘t’ will be 8.
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