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//program to input principal, rate of interest and time and compute simple interest #include<stdio.h> #include<conio.h> void main() { int principal,time; float rate; float simpleinterest; clrscr(); printf("enter principal amount"); scanf("%d",&principal); printf("enter time"); scanf("%d",&time); printf("enter rate of interest"); scanf("%f",&rate); simpleinterest=(principal*rate*time)/100; printf("simple interest is %f",simpleinterest); getch(); }