JEE MATHEMATICS MCQ: PERMUTATIONS

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Assuming the balls to be identical except for difference in colours, the number of ways in which one or more balls can be selected from 10 white, 9 green and 7 black balls, is

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Correct option: B

879

Option B (879) is correct because it calculates the total number of ways to select one or more balls by considering all possible combinations of white, green, and black balls and then subtracting the case where no balls are selected.

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