By | 25.12.2016

# Sum and Average of n numbers using for loop

Write a C++ Program to Find Sum and Average of n numbers using for loop. Here’s simple Program to Find Sum and Average of n numbers using for loop in C++ Programming Language.

## Average of n numbers

• Average of n numbers – The sum of all of the numbers in a list divided by the number of items in that list.
For example, the mean of the numbers 2, 3, 7 is 4 since 2+3+7 = 12 and 12 divided by 3 [there are three numbers] is 4.

Here is source code of the C++ Program to Find Sum and Average of n numbers using for loop. The C++ program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

### SOURCE CODE : :

```/*  C++ Program to Find Sum and Average of n numbers using for loop  */

#include<iostream>
using namespace std;

int main()
{
int i,n,x,sum=0;
float avg;

cout<<"How many numbers u want to enter :: ";
cin>>n;

for(i=1;i<=n;++i)
{
cout<<"\nEnter number "<<i<<" :: ";
cin>>x;

sum+=x;
}

avg=(float)sum/(float)n;

cout<<"\n\nSum of "<<n<<" Numbers :: "<<sum;

cout<<"\n\nAverage of "<<n<<" Numbers :: "<<avg;

cout<<"\n";

return 0;
}```

### Output : :

```/*  C++ Program to Find Sum and Average of n numbers using for loop  */

How many numbers u want to enter :: 6

Enter number 1 :: 1

Enter number 2 :: 2

Enter number 3 :: 3

Enter number 4 :: 4

Enter number 5 :: 5

Enter number 6 :: 6

Sum of 6 Numbers :: 21

Average of 6 Numbers :: 3.5

Process returned 0```

Above is the source code for C++ Program to Find Sum and Average of n numbers using for loop which is successfully compiled and run on Windows System.The Output of the program is shown above .

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