C Fundamentals MCQs

What will be the data type of the following expression? (Initial data type: a = int, var1 = double, var2 = float)

expression (a < 50)? var1 : var2;

Why do variable names beginning with the underscore is not encouraged?

Which of the following method is accepted for assignment?

What will be the output of the following C code?

#include <stdio.h>
    int main()
    {
        int y = 10000;
        int y = 34;
        printf("Hello World! %d\n", y);
        return 0;
    }

Which of the following is NOT possible with any 2 operators in C?

What will be the final value of c in the following C code snippet? (Initial values: a = 1, b = 2, c = 1)

c += (-c) ? a : b;

Arithmetic operations such as addition, subtraction, multiplication and division are allowed on enumerated constants.

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int x = 5.3 % 2;
    printf("Value of x is %d", x);
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int const k = 5;
    k++;
    printf("k is %d", k);
}