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15 September, 07:33

In how many ways can a password be made using four letters from the 26 letter English alphabet letters can't be repeated

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  1. 15 September, 07:53
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    If you go by normal method, no. of possible passwords that can be created with 26 alphabets are 26X26X26X26 = 456,976

    Step-by-step explanation:

    . If you do not want to repeat the alphabets, you can use combinations. i. e. C (26, 4) or 26C4 = 358,800 ways
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