cout is an object of ____ class.

• A) ostream
• B) instream
• C) istream
• D) fstream

Which of the following is unary operator in C++?

• A) *
• B) +
• C) -
• D) ++

What will be the output of following C++ code? int a=5; cout<<a++;

• A) 6
• B) a
• C) 0
• D) 5

"cin" is an object of ____ class.

• A) instream
• B) ostream
• C) istream
• D) fstream

What will be the output of the given code extract? int y = 2; cout << ++y << " " << y;

• A) 3 3
• B) 2 3
• C) 2 2
• D) 3 2

Which of the following is correct symbol of stream extraction operator?

• A) >
• B) <
• C) <<
• D) >>

In the case of public inheritance, private members of the base class will be _____________ in the derived class.

• A) Private
• B) Protected
• C) Public
• D) Hidden

What will be the output of the following program? #include<iostream> using namespace std; class FirstNumber { private: int x; public: int y; FirstNumber () { x = 0; y = 10; } }; class SecondNumber: public FirstNumber { int z; public: int w; SecondNumber () : FirstNumber () { z = 20; w = y + z; cout<<w;} }; int main() { SecondNumber Obj; return 0; }

• A) 30
• B) 10
• C) 40
• D) 20

What will be the output of the following program? #include<iostream> using namespace std; class House{ private: int rooms; public: House() { cout<<"Entering the house"<<endl;} House(int R) { rooms = R;} ~House() { cout<<"Leaving the house"<<endl;} }; class Kitchen : public House { double size; public: Kitchen() : House() { cout<<"Entering the kitchen";} }; int main() { Kitchen Obj; return 0; }

• A) Leaving the house Entering the house Entering the kitchen
• B) Entering the house Leaving the house Entering the kitchen
• C) Entering the kitchen Entering the house Leaving the house
• D) Entering the house Entering the kitchen Leaving the house

If the programmer does not specify the type of inheritance then the default type of inheritance is ____________.

• A) Private
• B) None of the given
• C) Protected
• D) Public

In the case of private inheritance, public members of the base class will be _____________ in the derived class.

• A) Private
• B) Hidden
• C) Protected
• D) Public

What is the name of Base class in the line below? class Truck : public Vehicle

• A) Vehicle
• B) None of the given options
• C) Truck
• D) Public

Consider the code below, class class1{ public: void func1(); }; class class2 : public class1 { }; Function func()1 of class1 is ______ in class2.

• A) Hidden
• B) Protected
• C) Private
• D) Public

Which inheritance type is used to implement IS-A relationship?

• A) Private
• B) Multiple
• C) Public
• D) Protected

Which of the following members of base class can be accessed in the derived class?

• A) Both Protected and Private
• B) Both Protected and Public
• C) All (Public, Protected, and Private)
• D) Both Public and Private

In the case of protected inheritance, public members of the base class will be _____________ in the derived class.

• A) Hidden
• B) Protected
• C) Public
• D) Private

There are ________ types of inheritance in C++.

• A) 1
• B) 4
• C) 2
• D) 3

Which of the following is not the correct type of inheritance in C++?

• A) protected
• B) secret
• C) public
• D) private

For the given class definition, which one is correct? #include<iostream> using namespace std; class A{ int x,y; public: int Add(int a,int b){return a+b;} int Add(int c){return c;} };

• A) Function Add has an error
• B) Function Add is overridden
• C) Function Add is overloaded
• D) None of the given options

In case of public inheritance between Base class A and Derived class B, which of the folllowing data members of Base class will be hidden in Derived class?

• A) protected
• B) public
• C) private
• D) both public and private