Q-8.Write a C program to input marks of five subjects of a student and calculate total, average and percentage of all subjects. How to calculate total, average and percentage in C programming. Logic to find total, average and percentage in C program.

1. /**
2. * C program to calculate total, average and percentage of five subjects */
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5. #include <stdio.h>
6. int main()
7. { float eng, phy, chem, math, comp;
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10. float total, average, percentage;
11. /* Input marks of all five subjects */ printf("Enter marks of five subjects: \n");
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14. scanf("%f%f%f%f%f", &eng, &phy, &chem, &math, &comp);
15. /* Calculate total, average and percentage */ total = eng + phy + chem + math + comp;
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18. average = total / 5.0; percentage = (total / 500.0) * 100;
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21. /* Print all results */
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24. printf("Total marks = %.2f\n", total); printf("Average marks = %.2f\n", average);
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27. printf("Percentage = %.2f", percentage);

1. return 0;
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