Operators and Expressions MCQs

Practice free Operators and Expressions multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 85 questions — no login required.

#include <stdio.h>
int main()
{
    float a = 2.455555555555;
    printf("%f", a);
}

union temp
{
    char a;
    int b;
    float c;
};

#include <stdio.h>
printf("%d", sizeof('a'));