percent=(total marks)/ number of subjects
program-
#include< stdio.h>
int main() {
int m1,m2,m3,m4,m5,total;
float percentage;
printf("Enter mark in Subject1\n");
scanf("%d",&m1);
printf("Enter mark in Subject2\n");
scanf("%d",&m2);
printf("Enter mark in Subject3\n");
scanf("%d",&m3);
printf("Enter mark in Subject4\n");
scanf("%d",&m4);
printf("Enter mark in Subject5\n");
scanf("%d",&m5);
total=m1+m2+m3+m4+m5;
percentage=total/5;
printf("Percentage is %f",percentage);
}
Enter mark in subject1
90
Enter mark in subject2
40
Enter mark in subject3
70
Enter mark in subject4
80
Enter mark in subject5
100
Percentage is 76.000000