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A variable name in certain computer lang...

A variable name in certain computer language must be either an alphabet or an alphabet followed by a decimal digit. The total number of different variable names that can exist in that language is equal to a. `280` b. `390` c. `386` d. `296`

Text Solution

Verified by Experts

The correct Answer is:
286
Total variables if only alphabet is used =26
Total variables if alphabets and digits both are used `=26xx10`
So, total variables =26(1+10)=286
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