Q. Which of the following is not a valid C++ identifier?

  • (A) _variable
  • (B) 123variable
  • (C) variable_123
  • (D) VariableName
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✅ Correct Answer: (B) 123variable
Explanation: In C++, an identifier cannot start with a digit.

Published by Ranjeet ⭐ 34.60K Points at 14-Feb-2025 10:36 pm in C++

Explanation by: Ranjeet
In C++, an identifier cannot start with a digit.

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