C++ MCQs with answers Page - 146

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Q. What is the output of the following code snippet? int x = 10; int *ptr = &x; cout << ptr;

  • (A) 10
  • (B) Address of x
  • (C) 0
  • (D) Error

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Q. Which of the following is the correct way to define a static member variable in C++?

  • (A) static int x;
  • (B) int static x;
  • (C) Both A and B
  • (D) None of the above

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Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x > y ? x : y);

  • (A) 10
  • (B) 20
  • (C) 0
  • (D) Error

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Q. Which of the following is the correct way to define a friend function in C++?

  • (A) friend void myFunction();
  • (B) void friend myFunction();
  • (C) Both A and B
  • (D) None of the above

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Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x + y);

  • (A) 10
  • (B) 20
  • (C) 30
  • (D) Error

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Q. Which of the following is the correct way to define a virtual function in C++?

  • (A) virtual void myFunction();
  • (B) void virtual myFunction();
  • (C) Both A and B
  • (D) None of the above

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Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x - y);

  • (A) 10
  • (B) 20
  • (C) -10
  • (D) Error

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Q. Which of the following is the correct way to define a pure virtual function in C++?

  • (A) virtual void myFunction() = 0;
  • (B) void virtual myFunction() = 0;
  • (C) Both A and B
  • (D) None of the above

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Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x * y);

  • (A) 10
  • (B) 20
  • (C) 200
  • (D) Error

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Q. Which of the following is the correct way to define a namespace in C++?

  • (A) namespace MyNamespace { }
  • (B) namespace { MyNamespace }
  • (C) Both A and B
  • (D) None of the above

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