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    Question

    How many no. of 4 digits can be formed with the

    digits 4, 8, 7 & 3 no digit being repeated.
    A 12 Correct Answer Incorrect Answer
    B 32 Correct Answer Incorrect Answer
    C 48 Correct Answer Incorrect Answer
    D 24 Correct Answer Incorrect Answer

    Solution

    Required number of 4 digit number formed if no digit is repeated = 4! = 4 x 3 x 2 x 1= 24

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