We want to calculate the total marks of each student of a class in  Physics, Chemistry and Mathematics and the average marks of the  class. • The number of students in the class are entered by the user. Create a  class named Marks with data members for roll number, name and  marks. • Create three other classes inheriting the Marks class, namely  Physics, Chemistry and Mathematics, which are used to define  marks in individual subject of each student. • Roll number of each student must be generated automatically. Using c++

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Class

Object Oriented Programming System (OOPs) is a programming model built on the perception of “objects” that contains data and methods. The major purpose of Object Oriented Programming is to increase the maintainability and flexibility of programs. Object Oriented Programming gets together data and its behavior (methods) in a single location (object) which makes it easier to understand.