Question

only one base class and one derived class is known as​

Answer 1

Explanation:

Hierarchical inheritance. This is where one class serves as a superclass (base class) for more than one sub class. For example, a parent class, A, can have two subclasses B and C. Both B and C's parent class is A, but B and C are two separate subclasses. Hybrid inheritance.

Answer 2

Explanation:

Hierarchical inheritance.

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