Assignment #4

1)
A: True
B: False
C: True

2)
A: just right
   weight tested
B: middle age

3)
#include <stdio.h>
#include <stdlib.h>
int main()
{
    float score;
    scanf("%f", &score);
    if (score<0.0 || score>4.0)
        printf("Invalid input");
    else if (score>=3.5)
        printf("Highest honors for semester");
    else if (score>=3.0)
        printf("Dean's list for semester");
    else if (score>=2.0)
        printf("");
    else if (score>=1.0)
        printf("On probation for next semester");
    else if (score>=0.0)
        printf("Failed semester-registration suspended");
}







4)
#include <stdio.h>
#include <stdlib.h>
int main()
{
    float kg, cm, m, bmi;
    printf("Enter your weight (kg) and height (cm): ");
    scanf("%f %f", &kg, &cm);
    m=cm/100; //converting cm to meters
    bmi=kg/(m*m);
    printf("Your BMI is: %f", bmi);
}


5)
#include <stdio.h>
#include <stdlib.h>
int main()
{
    float n;
    printf("Enter data usage in gbs: ");
    scanf("%f", &n);
    printf("Your charges: ");
    if (n>10.0)
        printf("2000");
    else if (n>=5.0)
        printf("1500");
    else if (n>=2)
        printf("1000");
    else if (n>=1)
        printf("500");
    else if (n>0)
        printf("250");
    else
        printf("ERROR!\nPlease enter a positive number.");
}