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JEE Main 2003 Mathematics question

MathematicsPermutations and CombinationsJEE Main 2003

A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him is

Answer: (3)

Solution

Case 1: 4 from the first 5 and 6 from the remaining 8: . Case 2: all 5 from the first 5 and 5 from

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Question ID VK-038221