Quiz - Functions in C

Which of the following is not a library function but can be a user defined function?

• cos()
• sqrt()
• pow()
• add()

We use fucntions to reuse block of code. How many times, can you call a function?

• only one time
• 2 times
• Maximum of 10 times
• Any number of times

The prototype of main() is declared in the compiler. What type of fuction is main()?

• library
• undefined
• User-Defined
• compiler defined

What vlaue is stored in x? X = scanf("%d %d", &a, &b);

• 1
• 2
• 3
• No value assigned

Which character is used separate the parameters list in a function definition?

• : (colon)
• ;(semicolon)
• ,(comma)
• .(dot)

Which of the following is a correct format for declaration of function?

• return-type function-name(argument type);
• return-type function-name(argument type){}
• return-type (argument type)function-name;
• argument type function-name(return-type);

How many values can a C Function return at a time?

• Only one value
• maximum 2 values
• maximum 3 values
• maximum 8 values

Which of the following is one of the advantages of using Functions in the program?

• returning
• re-usability
• recording
• recovery

Which library function is used to find the square root of a number?

• squareroot()
• SQT()
• sqr()
• sqrt()

Which of the following library function can be used to evaluate a*a*a?

• cube(a)
• power(a,3)
• Mul(a,3)
• pow(a,3)