Verified Solution • 2025–26 Session moderate

QJEEM19Ma5397: JEE Main 2019 Mathematics - Class 11 JEEM19Ma5397 Solution: Consider three boxes, each containing, 10 balls labelled 1, 2,…

Consider three boxes, each containing, 10 balls labelled 1, 2, … , 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 :

Multiple Choice Options

  • A 164
  • B 240
  • C 82
  • D 120

Step-by-Step Verified Solution

Number of ways = 10C3 = 120

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