If the mean deviation about the median of the numbers a, 2a,.......,50a is 50, then |a| equals(a) 3(b) 4(c) 5(d) 2
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If the mean deviation about the median of the numbers a, 2a,.......,50a is 50, then |a| equals(a) 3(b) 4(c) 5(d) 2
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