Question: Write a class marks with three data members to store three marks.Write three member functions, set_marks() to input marks, sum() to calculate and return

Write a class marks with three data members to store three marks.Write

Write a class marks with three data members to store three marks.Write three member functions, set_marks() to input marks, sum() to calculate and return the sum and avg() to calculate and return average marks. "Using C++"

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