The following program is used to calculate 3 Sets of values of P, N, R. This is made possible using the While Loop.

#include<stdio.h>
main()
{
int p, n, count;

float r, si;

count = 1;

while (count <= 3)
{
printf ("\nEnter values of p, n and r");

scanf ("%d %d %f", &p, &n, &r);
si = p*n*r / 100;

printf ("Simple Interest = Rs. %f", si);

count = count + 1;

}
}


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