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++.
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 5 of 30
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#include <iostream>
using namespace std;
void copy (int& a, int& b, int& c)
{
a *= 2;
b *= 2;
c *= 2;
}
int main ()
{
int x = 1, y = 3, z = 7;
copy (x, y, z);
cout << "x =" << x << ", y =" << y << ", z =" << z;
return 0;
} #include <iostream>
using namespace std;
void fun(int &x)
{
x = 20;
}
int main()
{
int x = 10;
fun(x);
cout << "New value of x is " << x;
return 0;
} #include <iostream>
using namespace std;
long factorial (long a)
{
if (a > 1)
return (a * factorial (a + 1));
else
return (1);
}
int main ()
{
long num = 3;
cout << num << "! = " << factorial ( num );
return 0;
} #include <iostream>
using namespace std;
void square (int *x)
{
*x = (*x + 1) * (*x);
}
int main ( )
{
int num = 10;
square(&num);
cout << num;
return 0;
} #include <iostream>
using namespace std;
int add(int a, int b);
int main()
{
int i = 5, j = 6;
cout << add(i, j) << endl;
return 0;
}
int add(int a, int b )
{
int sum = a + b;
a = 7;
return a + b;
} #include <iostream>
using namespace std;
void Sum(int a, int b, int & c)
{
a = b + c;
b = a + c;
c = a + b;
}
int main()
{
int x = 2, y =3;
Sum(x, y, y);
cout << x << " " << y;
return 0;
}Suggested Topics
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