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Two rabbits start at a point P on a circular track and move in opposite directions. One travels at a speed of 7 ft/sec and the other at a speed of 9 ft/sec. If they start at the same time and stop when they meet again at point P, then the number of times they meet excluding the start and finish is

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Others Other Question

The number of positive integers n for which 2n + 1, 4n + 7 and 8n + 3 are all primes is If abcd*4=dbca,then what is abcd?