//C Program to Calculate Average of Three Numbers
#include <stdio.h>
#include <conio.h>
int main()
{
int n1,n2,n3;
float avg;

printf(“\nEnter three numbers : ” );
scanf(“%d %d %d”,&n1,&n2,&n3);

avg=(n1+n2+n3)/3;

printf(“\nAverage of the given three numbers is : %0.2f”,avg);
return 0;
}

#To get output download Attachment

#include<bits/stdc++.h>
using namespace std;

int area_Rectangle(int length, int breadth)
{
int area = length * breadth;
return area;
}

int perimeter_Rectangle(int length, int breadth)
{
int perimeter = 2*(length + breadth);
return perimeter;
}

int main()
{
int length = 5;
int breadth = 7;
cout << “Area of the Rectangle = ” << area_Rectangle(length, breadth) << endl;
cout << “Perimeter of the Rectangle = ” << perimeter_Rectangle(length, breadth);
return 0;
}

#To get Output download Attachment.