Displaying even numbers:

To display even numbers follow the codings:

#include<stdio.h>

#include<conio.h>

void main()

{

int i;

clrscr();

printf("Even number\n");

for(i=2;i<=20;i=i+2)

{

printf("%d\n",i);

}

getch();

}

so the output will be displayed in even numbers only.