Data Types and Variables MCQs – Part 2

#include <stdio.h>
int main() {
    int a = 5, b = 7;
    int sum;
    sum = a + b;
    printf("Sum of %d and %d is: %d\n", a, b, sum);
    return 0;
}

#include <stdio.h>
int main() {
    const int AGE = 30;
    printf("Age: %d\n", AGE);
    return 0;
}

#include <stdio.h>
#define PI 3.14159
int main() {
    const float RADIUS = 5.0;
    float area = PI * RADIUS * RADIUS;
    printf("Area of Circle: %.2f\n", area);
    return 0;
}

#include <stdio.h>
int globalVariable = 10;
void func() {
    printf("Global Variable: %d\n", globalVariable);
}
int main() {
    func();
    printf("Global Variable from main: %d\n", globalVariable);
    return 0;
}

#include <stdio.h>
void func() {
    int localVariable = 20;
    printf("Local Variable: %d\n", localVariable);
}
int main() {
    func();
    return 0;
}

#include <stdio.h>
int main() {
    printf("Global Variable from main: %d\n", globalVariable);
    return 0;
}

#include <stdio.h>
int main() {
    int globalVariable = 10;
    printf("Global Variable from main: %d\n", globalVariable);
    return 0;
}

#include <stdio.h>
int main() {
    int a = 5;
    {
        int a = 10;
        printf("Inner 'a': %d\n", a);
    }
    printf("Outer 'a': %d\n", a);
    return 0;
}

#include <stdio.h>
int main() {
    int x = 5;
    if (x == 5) {
        int y = 10;
        printf("'y' inside if block: %d\n", y);
    }
    // printf("'y' outside if block: %d\n", y); // Uncommenting this line would result in a compilation error
    return 0;
}

#include <stdio.h>
int main() {
    const int a = 5;
    a = 10;
    printf("Value of 'a': %d\n", a);
    return 0;
}