Calculate Average (C Programming)

The example how to calculate Average Using C programming:

Example the question ask you to display the average of mark key in by the user/student and based on the input display the grade, and the average mark :-


    average      grade
 At least 80       A
 60 – 79            B
 50 – 59            C
Less than 50      F

 Source Code:

 #include <stdio.h> int main(){ int i; float num[3], sum=0.0,average; printf("--------------------------\n "); printf(" STUDENT DETAILS \n"); printf("--------------------------- \n\n"); for(i=0; i<3 ; i++) { printf("Enter mark: %d :",i+1); scanf("%f",&num[i]); sum+=num[i]; } average=sum/3; printf("\nAverage = %.2f",average); if(average >= 80) { printf("\nGrade = A\n"); } else if(average >= 60 && average <= 79) { printf("\nGrade = B\n"); } else if(average >=50 && average <=59) { printf("\nGrade = C\n"); } else { printf("\nGrade = F\n"); } return 0; }

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