C Program to Find the Average of Three Numbers
Average is found out by adding all the numbers and dividing it by the total number of numbers.
 // C program to find the average of three numbers

 #include<stdio.h>
 void main()
 {
 float a,b,c, av=0;
 printf("Enter any three numbers to find their average \n");
 scanf("%f%f%f",&a,&b,&c); // taking input as float
 av=(a+b+c)/3.0; // adding and dividing simultaneously
 printf("\n Average of three numbers is \t %f",av); // printing the result
 getch();
 }