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Write a program in C++ to input two numbers and find the sum and average of those numbers.

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Passing and returning objects as argument.

🔹 Basic Level

1. Write a C++ program to create a Student class.

   Define a method that takes another Student object as an argument and compares their marks.

2. Create a Rectangle class with length and breadth as data members.

   Write a member function that accepts another Rectangle object and returns the rectangle with the greater area.

3. Define a class Time with hours and minutes as private data members.

   Write a function to add two Time objects by passing one as an argument.

🔹 Intermediate Level

1. Create a class Distance with feet and inches.

   Overload a function that takes another Distance object and adds the two distances. Show both pass-by-value and pass-by-reference usage.

2. Make a Complex number class with real and imaginary parts.

   Write a function add(Complex c) and another version add(const Complex &c) and demonstrate the difference in memory behavior.

3. Write a program to demonstrate the concept of deep copying.

   Create a class Person with a dynamically allocated char* name and show how object is passed to a copy constructor.

🔹 Advanced Level

1. Create a class BankAccount with methods to transfer money from one object to another.

   Implement the transfer(BankAccount &receiver, float amount) method.

2. Create a class Matrix and write a function that multiplies two matrices.

   Accept the second matrix as an object parameter and return the result.

3. Implement a class Polynomial and write a function to add two polynomials by passing objects as arguments.

4. Define a class Circle and write a friend function compareArea(Circle c1, Circle c2) that compares two circles’ areas.