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Answer : 1 20 Explanation : Answer: A) 20 Explanation: 6 choose 3 means number of possible unordered combinations when 3 items are selected from 6 available items i.e, nothing but 6C3.Now 6C3 = 6 x 5 x 4/3 x 2 x 1 = 120/6 = 20.

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