Question: 8
C++ program to calculate and print product of 2 numbers, the number may be an integer, float, or double.
Sol:

```#include<iostream>
using namespace std;
int prod(int n1,int n2)
{
return(n1*n2);
}
float prod(float n1,float n2)
{
return(n1*n2);
}
double prod(double n1,double n2)
{
return(n1*n2);
}
int main()
{
int a1,a2,a3;
float b1,b2,b3;
double d1,d2,d3;
//int
cout<<"Enter 2 nos (int) ";
cin>>a1>>a2;
a3=prod(a1,a2);
cout<<"prod = "<<a3<<endl;
//float
cout<<"Enter 2 nos (float) ";
cin>>b1>>b2;
b3=prod(b1,b2);
cout<<"prod = "<<b3<<endl;
//double
cout<<"Enter 2 no2 (double) ";
cin>>d1>>d2;
d3=prod(d1,d2);
cout<<"prod = "<<d3<<endl;
return(0);
}```
```/* Output */
Enter 2 nos (int) 2
3
prod = 6
Enter 2 nos (float) 3.2
6.32
prod = 20.224
Enter 2 no2 (double) 23.36
5632.325
prod = 131571```

Question:9
C++ program to calculate and print average of 2 numbers, the number may be an integer, float, or double.
Sol:

```#include<iostream>
using namespace std;
int avg(int n1,int n2)
{
return((n1+n2)/2);
}
float avg(float n1,float n2)
{
return((n1+n2)/2);
}
double avg(double n1,double n2)
{
return((n1+n2)/2);
}
int main()
{
int a1,a2,a3;
float b1,b2,b3;
double d1,d2,d3;
//int
cout<<"Enter 2 nos (int) ";
cin>>a1>>a2;
a3=avg(a1,a2);
cout<<"avg = "<<a3<<endl;
//float
cout<<"Enter 2 nos (float) ";
cin>>b1>>b2;
b3=avg(b1,b2);
cout<<"avg = "<<b3<<endl;
//double
cout<<"Enter 2 no2 (double) ";
cin>>d1>>d2;
d3=avg(d1,d2);
cout<<"avg = "<<d3<<endl;
return(0);
}```
```/* Output */
Enter 2 nos (int) 10
20
avg = 15
Enter 2 nos (float) 3.2
2.3
avg = 2.75
Enter 2 no2 (double) 236.32
563.325
avg = 399.822```

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