C Basic Online Test – 2

1. What will happen if the following C code is executed?

    #include <stdio.h>
    int main()
    {
        int main = 3;
        printf("%d", main);
        return 0;
    }

2. Which of the following cannot be a variable name in C?

3. Which is valid C expression?

4. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        int ThisIsVariableName = 12;
        int ThisIsVariablename = 14;
        printf("%d", ThisIsVariablename);
        return 0;
    }

5. 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;
    }

6. What is the problem in the following variable declaration?

float 3Bedroom-Hall-Kitchen?;

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

8. What will be the output of the following C code?

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