1. Which of the following statement is correct about the program given below? #include<iostream.h> int i, j; class IndiaBix { public: IndiaBix(int x = 0, int y = 0) { i = x; j = x; Display(); } void Display() { cout<< j <<" "; } }; int main() { IndiaBix objBix(10, 20); int &s = i; int &z = j; i++; cout<< s-- << " " << ++z; return 0; }