Which of the following is not a valid C variable name?
A. int number;
B. float rate;
C. int variable_count;
D. int $main;
Answer:A
Which of the following is not a valid C variable name?
A. int number; B. float rate; C. int variable_count; D. int $main;
Explanation:Since only underscore and no other special character is allowed in a variable name, it results in an error.