Question

Q: In a class there are ‘n’ students. All of them have appeared for the test. The Teacher who evaluated the
sheets wants to know average marks of the class. Write code to help the teacher find average
performance, use most appropriate data type/structure for storing marks.
           in c programing language ....

Answer 1

CODE:

#include <stdio.h>

int main(void) {
  int n;
  printf("Enter the number of students\n");
  scanf("%d",&n); //take input for number of students
  int a[n];//declare array to store marks 
  printf("Enter the marks of %d students\n",n);
  int sum=0;//declare sum variable to store sum of marks
  for(int i=0;i<n;i++){
    scanf("%d",&a[i]);//input the marks
    sum=sum+a[i];//calculate the sum
  }
  float avg=sum/n;//calculate the average
  printf("The average marks are %f",avg);//print the average
  return 0;
}

OUTPUT: