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C++ MCQs with answers Page - 3
Dear candidates you will find MCQ questions of C++ here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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U
Q. What is the output of this program?
Code:
#include
using namespace std;
void function(int p, bool condition = true)
{
if (condition == true )
{
cout << "Condition is true. P = " << p;
}
else
{
cout << "Condition is false. P = " << p;
}
}
int main()
{
function(250, false);
return 0;
}
U
Q. Which value will it take when both user and default values are given?
U
Q. Where can the default parameter be placed by the user?
U
Q. If the user did not supply the value, what value will it take?
U
Q. What will happen when we use void in argument passing?
U
Q. What is the output of this program?
Code:
#include
using namespace std;
int add(int p, int q);
int main()
{
int n = 15, m = 16;
cout << add(n, m) << endl;
return 0;
}
int add(int p, int q )
{
int sum = p + q;
p = 20;
return p + q;
}
U
Q. What is the output of this program?
Code:
#include
using namespace std;
void square (int *p)
{
*p = (*p + 1) * (*p);
}
int main ( )
{
int n = 11;
square(&n);
cout << n;
return 0;
}
U
Q. What is the new value of P?
Code:
#include
using namespace std;
void function(int &p)
{
p = 15;
}
int main()
{
int p = 12;
function(p);
cout << "New value of P is " << p;
return 0;
}
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