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In an exam, Arjun has to select 4 questions from each part. There are 6, 7 and 8 question in Part I, Part II and Part III, respectively. What is the number of possible combinations in which he can choose the question? |
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Answer» Selecting 4 questions from Part I = 6C4 = 6C2 Selecting 4 questions from Part II = 7C4 = 7 C3 Selecting 4 questions from Part III = 8C4 The required number of ways = 6C2 × 7C3 × 8C4 = 15 × 35 × 70 = 36750. |
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