A code is to be formed using A, B, C, D, E, F, 5, 6, 7 and 8. If the code must consists of 4 letters followed by 3 digits numbers, how many codes can be formed without repetition.
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The code consists of 4 letters followed by 3 digits. The letters can be A, B, C, D, E, F, and the digits can be 5, 6, 7, 8. Repetition is not allowed. Show more…
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