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Answer : 1 25200 Explanation : Answer: A) 25200 Explanation: Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4) =( C37×C24 ) = 210.Number of groups, each having 3 consonants and 2 vowels =210Each group contains 5 letters.Number of ways of arranging 5 letters among themselves = 5! = 120. Required number of words = (210 x 120) = 25200.

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