Second Round Quiz

1. Which of the following is not a valid C Variable name?

• Int number;

• float rate;

• int variable_count;

• int $main;

Which of the following is an invalid pointer declaration?

• int ptr;

• int *ptr;

• int ptr*;

• int* ptr;

4. In C language, FILE is of which data type?

• int

• char

• struct

• array

3. Which is a valid way to access array elements?

• arr[i]

• *(arr + i)

• i[arr]

• All of the above

5. Which of the following is not Valid In C?

• int a= 10, b=20;

• int a(10);

• int a={10};

• int a = 10;

6. What will be the output?

7. #include <stdio.h>

8. int main() {

9. printf("%d", sizeof('A'));

10. return 0;

• 1

• 2

• 4

• Depends on compiler

7. What will be the output?

9. int a = 5, b = 2;

10. printf("%d", a/b*b) ;

• 2

• 4

• 5

• 6

8. What will the code print?

10. int a = 10;

11. printf("%d", a == 10 ? a++ : ++a);

• 10

• 11

• 9

• Undefined

9. What is the output?

10. int x = 5;

11. printf("%d", x = x == 5);

• 0

• 1

• 5

• Compilation error

10. Which operator has the highest precedence in C?

• *

• ++

• /

• ()