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Which of the following is not a valid C variable name?
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int number;
float rate;
int variable_count;
int $main;
Answer : D
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1) Which of the following is not a valid variable name declaration?
2) The declaration "unsigned u" indicates:
3) Which of the following is not a valid variable name declaration?
4) Variable names beginning with underscore is not encouraged. Why?
It is not standardized
To avoid conflicts since assemblers and loaders use such names
To avoid conflicts since library routines use such names
To avoid conflicts with environment variables of an operating system
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5) Which of the following is not a valid variable name declaration?