A two digit code contains an alphabet and a number. How many different combinations exist?
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A two digit code contains an alphabet and a number. If the alphabet comes first and is followed by the number, the number of combinations is 26*10 = 260. Else, if the number is first, the number of combinations is again 260. This gives a total of 520 combinations.
There are 520 combinations of a two digit code that has one alphabet and a number.
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