Question

write a program in C plus plus to take 7 subject marks as input and find total average and percentage of the marks

Answer 1

#include <stdio.h>

int main()

{

   float eng, phy, chem, math, comp;  

   float total, average, percentage;

   /* Input marks of all five subjects */

   printf("Enter marks of five subjects: \n");

   scanf("%f%f%f%f%f", &eng, &phy, &chem, &math, &comp);

   /* Calculate total, average and percentage */

   total = eng + phy + chem + math + comp;

   average = total / 5.0;

   percentage = (total / 500.0) * 100;

   /* Print all results */

   printf("Total marks = %.2f\n", total);

   printf("Average marks = %.2f\n", average);

   printf("Percentage = %.2f", percentage);

   return 0;

}