Assuming the balls to be identical except for different in colors, the number of ways in…
Mathematics · JEE Main · NTA Exams — Permutations and Combinations
Assuming the balls to be identical except for different in colors, the number of ways in which one or more balls can be selected from 10 white, 9 green and 7 black balls is :
- 880
- 629
- 630
- 879
Answer
(D) 879
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