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JEE MATHEMATICS MCQ: COMBINATIONS

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In an examination of 9 papers a candidate has to pass in more papers, then the number of papers in which he fails in order to be successful. The number of ways in which he can be unsuccessful, is

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Correct option: B

256

Option B (256) is correct because the candidate is unsuccessful if they fail in 5 or more papers, and the sum of combinations from failing 5 to failing 9 papers equals 256.

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