C++ MCQs with answers Page - 151

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

(A) void myFunction(int &x) { }
(B) void myFunction(int 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);

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

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Q. Which of the following is the correct way to define a function with a const reference parameter in C++?

(A) void myFunction(const int &x) { }
(B) void myFunction(int &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);

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

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

(A) void myFunction(int *x) { }
(B) void myFunction(int 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);

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

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Q. Which of the following is the correct way to define a function with a const pointer parameter in C++?

(A) void myFunction(const int *x) { }
(B) void myFunction(int *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);

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

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Q. Which of the following is the correct way to define a function with a const pointer to a const parameter in C++?

(A) void myFunction(const int *const x) { }
(B) void myFunction(int *const x) { }
(C) Both A and B
(D) None of the above

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Q. Which of the following is the correct syntax for a for loop in C++?

(A) for(int i=0; i<5; i++)
(B) for(int i=0; i<=5; i++)
(C) for(int i=0; i<5; i++) { }
(D) for(int i=0; i<5) { }

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