What will be the output of the following C++ code?

#include<iostream>
using namespace std;
class X 
{
    int m;
    public:
    X() : m(10)
    {                                                       
    }
    X(int mm): m(mm)
    {
    }
    int getm()
    {
        return m;
    }
};
class Y : public X 
{
    int n;
    public:
    Y(int nn) : n(nn) {}                                                
    int getn() { return n; }
};
int main()
{
    Y yobj( 100 );
    cout << yobj.getm() << " " << yobj.getn() << endl;
}

What does the 'sizeof' operator return in C++?

A. Size of a data type in bits

B. Size of a data type in bytes

C. Size of a variable in bytes

D. Size of a variable in bits

Which of the following is not a fundamental data type in C++?

A. Char

B. Float

C. String

D. Double

What is the purpose of the 'static' keyword in C++?

A. To declare a variable with dynamic storage duration

B. To declare a constant

C. To declare a variable with external linkage

D. To declare a variable with static storage duration

What is the difference between '++i' and 'i++' in C++?

A. None of the above

B. They both have the same effect

C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it

D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it