In this tutorial, we will create a C program to calculate simple interest. We are solving this program without using any function.

Formula to find simple interest:

si = (pamt* r * t) /100
pamt is -principle amount
r- Rate is
t - Time is


 int main() { 
 int amt, r, t, si; 
 printf("n Enter Principal Amount : ");
 scanf("%d", &amp;amt);
 printf("n Enter Rate of Interest : ");
 scanf("%d", &amp;r);
 printf("n Enter Period of Time : ");
 scanf("%d", &amp;t); si = (amt * r * t) / 100;
 printf("n Simple Interest : %d", si);
 return 0; }

Output:-Enter Principal Amount : 100
Enter Rate of Interest : 2
Enter Period of Time : 3
Simple Interest : 60

Explanation of Program :

In this program, We are finding the simple interest by using the formula of simple interest. You can understand it by given below statements.
amt = 100 for principle amount
r=3 for Interest
t=3 for Time
Now si will provide the result of simple interest.

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