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    Question

    Find the number of words that can be formed by using all

    letters of the word 'PAINT', if order of vowels remains same.
    A 20 Correct Answer Incorrect Answer
    B 120 Correct Answer Incorrect Answer
    C 60 Correct Answer Incorrect Answer
    D 140 Correct Answer Incorrect Answer

    Solution

    Total words “PAINT”= 5 Number of vowels (A, I) = 2 But in these, we cannot change the order of vowels. Suppose the required ways be 'n' multiplied by 2! ways with 'n' must be given 5! => 2! × n = 5! => n = 60 ways

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