7. Write
a c program to convert temperature form Fahrenheit to Centigrade using this
formula like (c=(f-32)/1.8).
#include <stdio.h>
void main() {
float fahrenheit, celsius;
// Asking the user to input the temperature in Fahrenheit
printf("Enter temperature in Fahrenheit: ");
scanf("%f", &fahrenheit);
// Converting Fahrenheit to Celsius using the formula
celsius = (fahrenheit - 32) / 1.8;
// Displaying the result
printf("Temperature in Celsius: %f\n", celsius);
}
8. Write
a c program to find square root of given number.
#include <stdio.h>
#include <math.h> // for sqrt() function
void main() {
double num, result;
// Asking the user to input a number
printf("Enter a number: ");
scanf("%lf", &num);
// Calculating the square root
result = sqrt(num);
// Displaying the result
printf("Square root of %.2lf = %.2lf\n", num, result);
}
9. C Program to Check if a Given Year is a Leap Year or Not.
#include <stdio.h>
void main() {
int year;
// Asking the user to input the year
printf("Enter a year: ");
scanf("%d", &year);
// Leap year condition
if (year % 4 == 0 ) {
printf("%d is a leap year.\n", year);
} else {
printf("%d is not a leap year.\n", year);
}
}
10. C Program to Check if a Given Number is Odd or Even
#include <stdio.h>
void main() {
int num;
// Asking the user to input a number
printf("Enter a number: ");
scanf("%d", &num);
// Checking if the number is even or odd
if (num % 2 == 0) {
printf("%d is even.\n", num);
} else {
printf("%d is odd.\n", num);
}
}
11. C Program to Check if a Given Number is Positive, Negative, or Zero.
#include <stdio.h>
void main() {
int num;
// Asking the user to input a number
printf("Enter a number: ");
scanf("%d", &num);
// Checking if the number is positive, negative, or zero
if (num > 0) {
printf("%d is positive.\n", num);
} else if (num < 0) {
printf("%d is negative.\n", num);
} else {
printf("The number is zero.\n");
}
}
12. C Program to Print the Largest Value Among Three Values.
#include <stdio.h>
void main() {
int num1, num2, num3;
// Asking the user to input three values
printf("Enter three numbers: ");
scanf("%d %d %d", &num1, &num2, &num3);
// Finding the largest number
if (num1 >= num2 && num1 >= num3) {
printf("%d is the largest number.\n", num1);
} else if (num2 >= num1 && num2 >= num3) {
printf("%d is the largest number.\n", num2);
} else {
printf("%d is the largest number.\n", num3);
}
}
13. C Program to Print Percentage and Class of Student by Inputting Three Subject Marks (Using if..else if).
#include <stdio.h>
void main() {
int subject1, subject2, subject3, totalMarks;
float percentage;
// Asking the user to input marks for three subjects
printf("Enter marks for three subjects: ");
scanf("%d %d %d", &subject1, &subject2, &subject3);
// Calculating total marks and percentage
totalMarks = subject1 + subject2 + subject3;
percentage = (float)totalMarks / 3;
// Printing the percentage
printf("Percentage: %.2f%%\n", percentage);
// Determining the class based on percentage
if (percentage >= 75) {
printf("Distinction\n");
} else if (percentage >= 60) {
printf("First Class\n");
} else if (percentage >= 50) {
printf("Second Class\n");
} else if (percentage >= 40) {
printf("Pass\n");
} else {
printf("Fail\n");
}
}
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