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Question 1

What is the output of the program? #include #include using namespace std; struct Person { int age; }; class First { Person *person; public: First() {person = new Person; person?>age = 20; } void Print(){ cout << person?>age; } }; int main() { First t[2]; for (int i=0; i<2; i++) t[i].Print(); }

Options :

A : It prints: 10

B : It prints: 2020

C : It prints: 22

D : It prints: 00

Answer: B

Question 2

What happens when you attempt to compile and run the following code? #include using namespace std; int main() { int i, j; for(i = 0; i < 2; i++) { for(j = i; j < i + 1; j++) if(j == i) continue; else break; } cout << j; return 0; }

Options :

A : It prints: 0

B : It prints: 3

C : It prints: 2

D : It prints: 1

Answer: C

Question 3

What happens when you attempt to compile and run the following code? #include using namespace std; int op(int x, int y); int main() { float *pf; float f=0.9; pf=&f; cout << op(1, *pf); return 0; } int op(int x, int y) { return x*y; }

Options :

A : It prints: 0

B : It prints: 0.5

C : It prints: 1

D : It prints: ?1

Answer: A

Question 4

Options :

A : It prints: 0

B : It prints: 0.5

C : It prints: 1

D : It prints: ?1

Answer: A

Question 5

Which code, inserted at line 8, generates the output "100"? #include using namespace std; int fun(int); int main() { int *x = new int; *x=10; //insert code here return 0; } int fun(int i) { return i*i; }

Options :

A : cout << fun(*x) ;

B : cout << fun(10);

C : cout << fun(5) ;

D : cout << fun(y) ;

Answer: A,B