Learn C MCQs

Prepare C MCQs (Multiple choice Questions) for exam and job interviews.

What is the purpose of the `return` statement in a function?

1) To exit the function

2) To return a value from the function

3) Both 1 and 2

4) None of the above

Answer : Option 3

What will be the output of printf("%d", 5 + 5 * 2);?

1) 15

2) 10

3) 5

4) 20

Answer : Option 1

Which of the following is not a loop control statement in C?

1) for

2) while

3) do while

4) goto

Answer : Option 4

What is the output of printf("%d", 10 - 2 * 3 + 1);?

1) 5

2) 6

3) 7

4) 4

Answer : Option 1

Which of the following is the correct syntax to declare a character pointer?

1) char *ptr;

2) char ptr*;

3) *char ptr;

4) None of the above

Answer : Option 1

Which of the following is a valid statement to declare a function pointer?

1) int (*f)();

2) int f();

3) void f*();

4) void (*f)();

Answer : Option 1

What is the output of printf("%d", 15 & 7);?

1) 15

2) 7

3) 1

4) 0

Answer : Option 2

Which of the following functions returns a pointer to a character in C?

1) strchr()

2) strdup()

3) strcpy()

4) strlen()

Answer : Option 1

What will be the output of printf("%d", (3 + 5) * 2);?

1) 16

2) 20

3) 8

4) 14

Answer : Option 1

Which of the following is true about the `while` loop in C?

1) It executes at least once.

2) It checks the condition at the beginning.

3) It does not require a condition.

4) None of the above

Answer : Option 2