C Fundamentals MCQs

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int x = 2, y = 0;
    int z = (y++) ? 2 : y == 1 && x;
    printf("%d\n", z);
    return 0;
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    char a = 'a';
    int x = (a % 10)++;
    printf("%d\n", x);
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    1 < 2 ? return 1 : return 2;
}

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int x = 3; //, y = 2;
    const int *p = &x
    *p++;
    printf("%d\n", *p);
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int a = 2 + 3 - 4 + 8 -  5 % 4;
    printf("%d\n", a);
}

C99 standard guarantees uniqueness of . . . . . . . . characters for internal names.

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int k = 0;
    double b = k++ + ++k + k--;
    printf("%d", k);
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int k = 8;
    int m = 7;
    k < m ? k = k + 1 : m = m + 1;
    printf("%d", k);
}

Which of the following is not a valid variable name declaration?