C Programming Quiz

Which of the following is the correct syntax to declare a variable in C?

• int variable;

• int variable:

• var int variable;

• integer variable;

Which data type is used to store a single character in C?

• int

• float

• char

• double

What will be the output of the following code?int x = 5; printf("%d", x++);

• 4

• 5

• 6

• Compilation error

What is the output of the following code? int a = 10, b = 5; printf("%d", a % b);

• 5

• 0

• 2

• Compilation error

Which operator is used to access the address of a variable?

• *

• &

• %

• $

Which of the following is a valid identifier in C?

• 2ndValue

• first_value

• float

• #define

Which format specifier is used to print a floating-point number?

• %d

• %c

• %f

• %s

What will be the output of the following code?int a = 8; printf("%d", a b ? a : b);

• 5

• 10

• 15

• -1

Which function is used to find the length of a string in C?

• strcopy()

• strlen()

• strlength()

• stringlen()

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

• 16

• 13

• 10

• 21