What will be the output of the program?

#include<stdio.h>
#define PRINT(i) printf("%d,",i)

int main()
{
    int x=2, y=3, z=4;
    PRINT(x);
    PRINT(y);
    PRINT(z);
    return 0;
}

What will be the output of the program?

#include<stdio.h>
#define MAX(a, b, c) (a>b ? a>c ? a : c: b>c ? b : c)

int main()
{
    int x;
    x = MAX(3+2, 2+7, 3+7);
    printf("%d\n", x);
    return 0;
}

Point out the error in the program

#include<stdio.h>
#define SI(p, n, r) float si; si=p*n*r/100;
int main()
{
    float p=2500, r=3.5;
    int n=3;
    SI(p, n, r);
    SI(1500, 2, 2.5);
    return 0;
}

Point out the error in the program

#include<stdio.h>

int main()
{
    int i;
    #if A
        printf("Enter any number:");
        scanf("%d", &i);
    #elif B
        printf("The number is odd");
    return 0;
}

Which of the following are correct preprocessor directives in C?
1: #ifdef
2: #if
3: #elif
4: #undef

Which of the following are correctly formed #define statements in C?

If the file to be included doesn't exist, the preprocessor flashes an error message.

Preprocessor directive #undef can be used only on a macro that has been #define earlier

There exists a way to prevent the same file from getting #included twice in the same program.

A preprocessor directive is a message from programmer to the preprocessor.