C++ miscellaneous MCQ question and answer with solution | C++ Programimg MCQs

#include <iostream>
#include <string>
#include <tuple>
using namespace std;
int main()
{
	tuple <int, char, string> tp1;
	tp1 = make_tuple(6, 'a', "Hello");
	int x;
	string y;
	tie(x,ignore,y) = tp1;
	cout<<"x: "<<x<<"\ny: "<<y<<endl;
	return 0;
}

#include<iostream>
using namespace std;
class Print
{
   public:
	void operator()(int a){
		cout<<a<<endl;
	}
};
int main()
{
	Print print;
	print(5);
	return 0;
}

#include <iostream>
using namespace std; 
template<typename T>class clsTemplate
{
    public:
    T value;
    clsTemplate(T i)
    {
        this->value = i;
    }
void test()
{
    cout << value << endl;
}
};
class clsChild : public clsTemplate<char>
{
    public:
    clsChild(): clsTemplate<char>( 0 )
    {
    }
    clsChild(char c): clsTemplate<char>( c )
    {    
    }
void test2()
{
    test();
}
};
int main()
{
    clsTemplate <int> a( 42 );
    clsChild b( 'A' );
    a.test();
    b.test();
    return 0;
}