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Answer : 1 43929 Explanation : Answer: A) 43929 Explanation: Number of words with 5 letters from given 9 alphabets formed = 95 Number of words with 5 letters from given 9 alphabets formed such that no letter is repeated is = 9P5 Number of words can be formed which have at least one letter repeated =  95 - 9P5 = 59049 - 15120 = 43929

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