c practice 39

 Answer :

#include<stdio.h>

int main ()

{

int r,c,num,number=1;

printf("Enter the number of rows : ");

scanf("%d",&num);

for (r=1;r<=num;r++)

{

for (c=1;c<=r;c++)

{

printf("\t%d\t",number);

number=number+2;

}

printf("\n");

}

}

Output :