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27-07-2016
Mathematics

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A password consists of 2 letters followed by 2 digits. How many different passwords can be formed?

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Аноним Аноним

27-07-2016

Solutions

We know that there are 26 letters and there are 10 digits.

Different combos possible are 26 * 26 * 10 * 10

0,1,2,3,4,5,6,7,8,9

Count ---> 1,2,3,4,5,6,7,8,9,10

= 67,600

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