functions

1).What is the correct way to declare a function in C++?

1) void functionName()

2) functionName() void

3) function void()

4) None of the above

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2).Which of the following is the correct syntax for passing arguments to a function in C++?

1) functionName(arg1, arg2)

2) functionName{arg1, arg2}

3) functionName[arg1, arg2]

4) functionName(arg1: arg2)

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3).What is the purpose of the `return` statement in C++ functions?

1) To stop the function execution

2) To return a value to the calling function

3) To pass control to the next function

4) To call another function

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4).Which of the following is true about function overloading in C++?

1) Functions with the same name but different parameter types can be overloaded

2) Functions with the same name and parameters cannot be overloaded

3) Function overloading is not allowed in C++

4) None of the above

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5).What will happen if a function does not have a return statement in C++?

1) The program will terminate

2) The function will return a random value

3) The function will not return anything

4) Compilation error

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6).Which keyword is used to define a function in C++ that does not return any value?

1) void

2) return

3) static

4) None of the above

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7).Which of the following is a valid recursive function in C++?

1) int factorial(int n) { if (n == 0) return 1; else return n * factorial(n-1); }

2) int factorial(int n) { return n * factorial(n); }

3) int factorial(int n) { return n; }

4) None of the above

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8).What does the `inline` keyword do in C++?

1) It tells the compiler to insert the function code directly at the point of call

2) It defines a function with no return type

3) It ensures the function is only called once

4) None of the above

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9).What is the correct way to declare a function that returns a pointer to an integer in C++?

1) int* functionName()

2) int functionName*()

3) int* functionName*()

4) None of the above

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10).Which of the following is the correct syntax for passing a reference to a function in C++?

1) functionName(int& x)

2) functionName(&int x)

3) functionName(int* x)

4) None of the above

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