Question 259 of 278MediumMCQ
Consider three boxes, each containing, 10 balls labelled 1, 2, \ldots , 10. Suppose one ball is randomly drawn from each of the boxes. Denote by ni, the label of the ball drawn from the ith box, (i = 1, 2, 3). Then, the number of ways in which the balls can be chosen such that n1 < n2 < n3 is :
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