Note:Includes all required header filesusing namespace std; class base { int arr[15];}; class b1: public base { }; class b2: public base { }; class derived: public b1, public b2 {}; int main(void){ cout << sizeof(derived); return 0;}17.What will be the output of this program?

error: invalid conversion from "Derived*" to "Base*"

error: invalid conversion from "Base*" to "Derived*"

Note:Includes all required header filesusing namespace std;

1.	Note:Includes all required header filesusing namespace std; class base { int arr[15];}; class b1: public base { }; class b2: public base { }; class derived: public b1, public b2 {}; int main(void){ cout << sizeof(derived); return 0;}17.What will be the output of this program?
A.	error: invalid conversion from "Derived" to "Base"
B.	No Compiler Error
C.	error: invalid conversion from "Base" to "Derived"
D.	Runtime Error
Answer» D. Runtime Error

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C++ Inheritance relationship is?
#include <iostream>using namespace std; class Base{public: int lfc() { cout << "Base::lfc() called"; } int lfc(int i) { cout << "Base::lfc(int i) called"; }}; class Derived: public Base{public: int lfc() { cout << "Derived::lfc() called"; }}; int main(){ Derived d; d.lfc(5); return 0;}19.___________ inheritance may lead to duplication of inherited members from a "grandparent" base class.
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Note:Includes all required header filesusing namespace std; class base { int arr[15];}; class b1: public base { }; class b2: public base { }; class derived: public b1, public b2 {}; int main(void){ cout &lt;&lt; sizeof(derived); return 0;}17.What will be the output of this program?

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Note:Includes all required header filesusing namespace std; class base { int arr[15];}; class b1: public base { }; class b2: public base { }; class derived: public b1, public b2 {}; int main(void){ cout << sizeof(derived); return 0;}17.What will be the output of this program?