Write a C++ Program to define shape class. Derive circle and square classes from 40 shape class. Override area method of shape class in classes circle and square to find the area of respective shapes. Define proper constructor for these classes.

Write a C++ program to demonstrate exception handling by using matrix multiplication operation. Matrix multiplication function should notify if the order of the matrix is invalid, using exception.

Write C++ program for Addition of two complex numbers by overloading „+‟ operator. Make necessary assumptions wherever required.

Write a C++ program to demonstrate us of all the arithmetic and logical operators in C++.

Write a C++ program to create class named Account to perform basic operations on a saving bank account. Make necessary assumptions wherever required.

Write a C++ program to define an Account class. Derive classes Saving_Account and Current Account from the Account class. Define proper constructors for all the three classes. Define methods to display account details and account balance.