JEE Main Mock Test 18

Q 1 / 25
1:00:00
Section A - MCQEasyJEE Main 2020
Question 1+4 marks
Consider three boxes, each containing, 10 balls labelled 1, 2, … , 10. Suppose one ball is randomly drawn from each of the boxes. Denote by n i , the label of the ball drawn from the i th box, (i = 1, 2, 3). Then, the number of ways in which the balls can be chosen such that n 1 < n 2 < n 3 is :