C++ Institute CPA-21-02 Free Sample Exam Questions 2026

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Page: 1 / 52
Total Questions: 257

Questions & Answers PDF

• Question 1

  

  What happens when you attempt to compile and run the following code? #include <iostream>using namespace std;int s(int n); int main(){int a; a = 3;cout << s(a); return 0;}int s(int n){if(n == 0) return 1; return s(n?1)*n;}

  • It prints: 4
  • It prints: 6
  • It prints: 3
  • It prints: 0

  Reveal Answer Answer: B Next Question

• Question 2

  

  What happens when you attempt to compile and run the following code? #include <iostream>using namespace std; class A {public :void print() { cout << "A ";}};class B { public :void print() { cout << "B ";}};int main() { B sc[2];A *bc = (A*)sc;for (int i=0; i<2;i++) (bc++)->print();return 0;}

  • It prints: A A
  • It prints: B B
  • It prints: A B
  • It prints: B A

  Reveal Answer Answer: A Next Question

• Question 3

  

  Which of the following is a correct way to define the function fun() in the program below? #include <iostream>#include <sstream>#include <string> using namespace std;int main(){int a[2][2]; fun(a); return 0;}

  • void fun(int *p[2]) {}
  • void fun(int *p[2][2]) {}
  • void fun(int *p[][2]) {}
  • void fun(int p[][2]) {}

  Reveal Answer Answer: D Next Question

• Question 4

  

  What happens when you attempt to compile and run the following code? #include <iostream>using namespace std;int main(){float x=3.5,y=1.6; int i,j=2;i = x + j + y; cout << i; return 0;}

  • It prints: 7
  • It prints: 6
  • It prints: 7,1
  • Compilation error

  Reveal Answer Answer: A Next Question

• Question 5

  

  What happens when you attempt to compile and run the following code? #include <iostream>using namespace std;class First{public:void Print(){ cout<<"from First";}};class Second{public:void Print(){ cout<< "from Second";}};int main(){Second t[2];for (int i=0; i<2; i++) t[i].Print();}

  • It prints: from First
  • It prints: from Firstfrom First
  • It prints: from Secondfrom Second
  • It prints: from Second

  Reveal Answer Answer: C Next Question

• Question 6

  

  What is the output of the program? #include <iostream>#include <string>using namespace std; int main(){string s1="Wo"; string s2;s2 = s1; string s3;s3 = s2.append("rldHello"); cout << s3;return( 0 );}

  • It prints: WorldHello
  • It prints: HelloWo
  • It prints: World
  • It prints: Hello

  Reveal Answer Answer: A Next Question

• Question 7

  

  What happens when you attempt to compile and run the following code?#include <iostream> using namespace std;int fun(int x);int main() { cout << fun(0); return 0;}int fun(int x) { if(x > 0)return fun(x-1); elsereturn 100;}

  • It prints: 0
  • It prints: 10
  • It prints: 100
  • It prints: -1

  Reveal Answer Answer: C Next Question

• Question 8

  

  A condition expression used by if(), while(), and do-while() must evaluate to and only to:

  • an int type value
  • any value that can be treated as truth/falsehood
  • a float type value
  • a bool type value

  Reveal Answer Answer: B Next Question

• Question 9

  

  What happens when you attempt to compile and run the following code? #include <iostream>using namespace std;namespace myNamespace1{int x = 5; int y = 10;}namespace myNamespace2{float x = 3.14; float y = 1.5;}int main () {namespace newname = myNamespace1; using namespace newname;cout << x << " "; cout << y; return 0;}

  • It prints: 5 1.5
  • It prints: 3.14 1.5
  • It prints: 5 10
  • It prints: 5

  Reveal Answer Answer: C Next Question

• Question 10

  

  What happens when you attempt to compile and run the following code? #include <iostream>using namespace std;int main(){ int i, j;for(i = 0, j = 1; j < 2, i < 4; i++, j++); cout << i << " " << j;return 0;}

  • It prints: 4 5
  • It prints: 2 3
  • It prints: 3 2
  • It prints: 4 3

  Reveal Answer Answer: A Next Question

Page: 1 / 52
Total Questions: 257

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