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Welcome to the Functions in C++ MCQs Page

Dive deep into the fascinating world of Functions in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Functions in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Functions in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.

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Check out the MCQs below to embark on an enriching journey through Functions in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Functions in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Functions in C++ MCQs | Page 6 of 30

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Q51.
Where does the return statement returns the execution of the program?
Discuss
Answer: (b).caller function
Q52.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int max(int a, int b )
    {
        return ( a > b ? a : b );
    }
    int main()
    {
        int i = 5;
        int j = 7;
        cout << max(i, j );
        return 0;
    }
Discuss
Answer: (b).7
Q53.
What is the output of this program?
    #include <iostream>
    using namespace std;
    double & WeeklyHours()
    {
        double h = 46.50;
        double &hours = h;
        return hours;
    }
    int main()
    {
        double hours = WeeklyHours();
        cout << "Weekly Hours: " << hours;
        return 0;
    }
Discuss
Answer: (a).46.5
Q54.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int mult (int x, int y)
    {
        int result;
        result = 0;
        while (y != 0) 
        {
            result = result + x;
            y = y - 1;
        }
        return(result);
    }
    int main ()
    {
        int x = 5, y = 5;
        cout  << mult(x, y) ;
        return(0);
    }
Discuss
Answer: (b).25
Discuss
Answer: (a).same function name but different number of arguments
Q56.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int gcd (int a, int b)
    {
        int temp;
        while (b != 0) 
        {
            temp = a % b;
            a = b;
            b = temp;
        }
        return(a);
    }
    int main ()
    {
        int x = 15, y = 25;
        cout << gcd(x, y);
        return(0);
    }
Discuss
Answer: (d).5
Q57.
Which of the following permits function overloading on c++?
Discuss
Answer: (c).type & number of arguments
Q58.
In which of the following we cannot overload the function?
Discuss
Answer: (a).return function
Q59.
Function overloading is also similar to which of the following?
Discuss
Answer: (b).constructor overloading
Q60.
What is the output of this program?
    #include <iostream>
    using namespace std;
    void print(int i)
    {
        cout << i;
    }
    void print(double  f)
    {
        cout << f;
    }
    int main(void)
    {
        print(5);
        print(500.263);
        return 0;
    }
Discuss
Answer: (a).5500.263

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