Question

C program for percentage of student then it calculate and display his grade using simple if structure
rather than if else.​

Answer 1

Answer:

# include <stdio.h>

int main (void){

 float math, physics, chemistry, percent;

 printf("Enter your marks in maths");

 scanf("%f", &math);

 printf("Enter your marks in physics");

 scanf("%f", &physics);

 printf("Enter your marks in chemistry");

 scanf("%f", &chemistry);

 percent = (math + physics + chemistry) / 3;

 if (percent >= 90)

   printf("Congratulations you have got A grade\n");

 if (percent >= 70 && percent < 90)

   printf("Congratulations you have got B grade\n");

 if (percent >=50 && percent < 70)

   printf("Congratulations you have got C grade\n");

 if (percent < 50)

   printf("Sorry you have got D grade\n");

 return 0;

}