Which is valid C expression?

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C Language : Introduction

Which is valid C expression?

A. int my_num = 100,000;

B. int my_num = 100000;

C. int my num = 1000;

D. int $my_num = 10000;

Solution

B. int my_num = 100000;

Explanation

Space, comma and $ cannot be used in a variable name.