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**Write a C program to print the message “Welcome to C Programming”.**

```
#include <stdio.h>
int main() {
printf("Welcome to C Programming\n");
return 0;
}
```

**Write a C program to input a number and print the square of a number.**

```
#include <stdio.h>
int main() {
int number;
printf("Enter a number: ");
scanf("%d", &number);
int square = number * number;
printf("The square of %d is %d\n", number, square);
return 0;
}
```

**Write a C program to input a number and print the cube of a number.**

```
#include <stdio.h>
int main() {
int number;
printf("Enter a number: ");
scanf("%d", &number);
int cube = number * number * number;
printf("The cube of %d is %d\n", number, cube);
return 0;
}
```

**Write a C program to input a number and print the square and cube of the number.**

```
#include <stdio.h>
int main() {
int number;
printf("Enter a number: ");
scanf("%d", &number);
int square = number * number;
int cube = number * number * number;
printf("The square of %d is %d\n", number, square);
printf("The cube of %d is %d\n", number, cube);
return 0;
}
```

**Write a c program to input 2 numbers and find the sum of the number.**

```
#include <stdio.h>
int main() {
int number1, number2, sum;
printf("Enter two numbers: ");
scanf("%d %d", &number1, &number2);
sum = number1 + number2;
printf("The sum of %d and %d is %d\n", number1, number2, sum);
return 0;
}
```

**Write a C program to input 2 numbers and find the product of the number.**

```
#include <stdio.h>
int main() {
int number1, number2, product;
printf("Enter two numbers: ");
scanf("%d %d", &number1, &number2);
product = number1 * number2;
printf("The product of %d and %d is %d\n", number1, number2, product);
return 0;
}
```

**Write a C program to input 2 numbers and find the sum, product and difference of the numbers.**

```
#include <stdio.h>
int main() {
int number1, number2, sum, product, difference;
printf("Enter two numbers: ");
scanf("%d %d", &number1, &number2);
sum = number1 + number2;
product = number1 * number2;
difference = number1 - number2;
printf("The sum of %d and %d is %d\n", number1, number2, sum);
printf("The product of %d and %d is %d\n", number1, number2, product);
printf("The difference of %d and %d is %d\n", number1, number2, difference);
return 0;
}
```

**Write a program in C to input a length and find the area and perimeter of the square.**

```
#include <stdio.h>
int main() {
float length, area, perimeter;
printf("Enter the length of the square: ");
scanf("%f", &length);
area = length * length;
perimeter = 4 * length;
printf("The area of the square is %f\n", area);
printf("The perimeter of the square is %f\n", perimeter);
return 0;
}
```

**Write a program in C to input length and breadth and find the area and perimeter of the rectangle.**

```
#include <stdio.h>
int main() {
float length, breadth, area, perimeter;
printf("Enter the length of the rectangle: ");
scanf("%f", &length);
printf("Enter the breadth of the rectangle: ");
scanf("%f", &breadth);
area = length * breadth;
perimeter = 2 * (length + breadth);
printf("The area of the rectangle is %f\n", area);
printf("The perimeter of the rectangle is %f\n", perimeter);
return 0;
}
```

**Write a program in C to input length, breadth, and height and find the volume of the box.**

```
#include <stdio.h>
int main() {
float length, breadth, height, volume;
printf("Enter the length of the box: ");
scanf("%f", &length);
printf("Enter the breadth of the box: ");
scanf("%f", &breadth);
printf("Enter the height of the box: ");
scanf("%f", &height);
volume = length * breadth * height;
printf("The volume of the box is %f\n", volume);
return 0;
}
```