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

#include <iostream>
#include <stdarg.h>
using namespace std;
float avg( int Count, ... )
{
    va_list Numbers;
    va_start(Numbers, Count);
    int Sum = 0;
    for (int i = 0; i < Count; ++i)
        Sum += va_arg(Numbers, int);
    va_end(Numbers);
    return (Sum/Count);
}
int main()
{
    float Average = avg(10, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
    cout << Average;
    return 0;
}

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