A variable name in a certain computer language must be either an alphabet or a alphabet…
Mathematics · JEE Advanced · NTA Exams — Permutations and Combinations
A variable name in a certain computer language must be either an alphabet or a alphabet followed by a decimal digit. Total number of different variable names that can exist in that language is equal to :
- 280
- 290
- 286
- 296
Answer
(C) 286
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