Which of the following is not a valid variable name declaration

MCQ Answer

Which of the following is not a valid variable name declaration?

निम्नलिखित में से कौन सा वैध variable नाम घोषणा नहीं है?

Topic : Macro

A. float PI = 3.14;

B. double PI = 3.14;

C. int PI = 3.14;

D. #define PI 3.14

Correct Answer is :

D. #define PI 3.14

Explanation

#define PI 3.14 is a macro preprocessor, it is a textual substitution.