1. Write a C Program to print Welcome to C Programming.

Output:
Welcome to C Programming
2. Write a program in C to print the following:
Welcome to C Programming
It is invented by Denis Ritche
It is portable, flexible and versatile

Output:
Welcome to C Programming
It is invented by Denis Ritche
It is portable, flexible and versatile
3. Write a C program to print the following:
Welcome to
C Programming
Invented by
Denis Ritche

Output:
Welcome to
C Programming
Invented by
Denis Ritche
4. Write a C program to print the sum of two numbers.
OR
Write a program in C to add two numbers.

OR

Output:
Result: 18
5. Write a C program to add two numbers taking input from user.

Output:
Enter 1st number: 34
Enter 2nd number: 45
Result: 79
OR

Output:
Enter two numbers: 34 45
Result: 79
6. Write a C program to display sum and difference of two numbers.

Output:
Sum: 17
Difference: 3
OR

Output:
Enter two numbers: 34 23
Sum: 57
Difference: 11
7. Write a program in C to store two integer values in two variables and using them calculate addition, subtraction, multiplication and division.

Output:
Enter two integer values: 56 34
Addition= 90
Subtraction= 22
Multiplication= 1904
Division= 1
8. Write a program in C to find the average of three numbers.

Output:
Enter three numbers: 4 6 7
Average: 5.67
9. Write a C program to calculate the square of a number.

Output:
Enter a number: 7
Square of 7 is 49
10. Write a program in C to convert Rupees into Paisa.
OR
Write a C program to read the price of an item in rupees in decimal format and prints the output in paisa.
OR
Write a C program to read a price of an item in (float) like 10.25 and print output in (int) paisa like1025.
OR
Make a program in C to enter the amount in Rupees and print into paisa.

Output:
Enter price of the item in Rupees: 20.50
Price of the item in Paisa: 2050
11. Write a program in C to find the distance travelled in miles given the speed and time. The speed is 4.5 MPH and time is 2.1 sec.

Output:
The distance travelled is:9.45
12. Write a C program to find the Kinetic Energy of a particle. Given the Mass and Velocity as 14 and 3.

Output:
Kinetic Energy:63.000
13. Write a program in C to calculate Kinetic Energy of a particle.

Output:
Enter the mass: 25
Enter the velocity: 5
Kinetic Energy:312.500
14. Write a C program to calculate total marks and percentage of 5 subjects of a student.

Output:
Enter english marks: 67
Enter maths marks: 78
Enter physics marks: 85
Enter chemistry marks: 87
Enter computer science marks: 92
———————————
Total marks obtained: 409.00
Percentage: 81.80
OR

Output:
Enter marks of 5 subjects: 55 65 45 70 85
———————————
Total marks obtained: 320.00
Percentage: 64.00
15. Write a program in C to input name and marks of the student and print the statement of marks.

Output:
Enter name of the student: Pramila Barla
Enter english marks: 78
Enter maths marks: 67
Enter science marks: 85
—————————
Name: Promila Barla
English marks: 78
Maths marks: 67
Science marks: 85
—————————
Total marks obtained: 230.00
Percentage: 76.67
16. Write a program in C to print a pay-slip using the following data:
Employee Number is 100
BASIC Salary is 35000
DA must be calculated as 10% of BASIC
HRA must be calculated as 20% of BASIC
Total Salary must be calculated as BASIC+DA+HRA

Output:
Employee Number: 100
Basic Salary: 40000
Dearness Allowance: 4000.00
House Rent Allowance: 8000.00
Total Salary: 52000.00
17. The basic salary of an employee is input through the keyboard. The DA is 15% of the basic salary while the HRA is 25% of the basic salary. Write a program to in C calculate his total salary. Total Salary must be calculated as BASIC+DA+HRA

OR

Output:
Enter Basic salary: 40000
—————————-
Basic Salary: 40000.00
Dearness Allowance: 6000.00
House Rent Allowance: 10000.00
—————————-
Total Salary: 56000.00
18. Write a C program to calculate simple interest.
OR
Write a program in C to find the simple interest.

Output:
Enter principal amount: 4000
Enter rate of interest: 4
Enter time period in years: 2
—————————————–
Simple Interest is: 320.00
19. Write a C program to calculate the area of a triangle. (Formula: area=1/2*base*height)

Output:
Enter the base of the triangle: 4.5
Enter the base of the triangle: 8
Area of the triangle: 18.00
20. Write a program in C to calculate and display the area and circumference (perimeter) of a circle by accepting the radius from the user. (Formula: Area: πr2, π=22/7, Circumference: 2πr)

Output:
Enter the radius of the circle: 2.7
Area of the circle: 22.91
Circumference of the circle: 16.97
21. Write a C program that reads the side of a square and calculates the area and perimeter of square and prints them.

Output:
Enter the length of side of square: 10
Area of the square: 100.000
Perimeter of the square: 40.000
22. Write a C program to calculate the volume of a sphere. (Formula: v = 4/3πr³, where v= volume and r = radius.

Output:
Enter the radius of the sphere: 6
Volume of the sphere: 904.896
23. Write a C program to convert temperature from Celsius to Fahrenheit.

Output:
Enter temperature in Celsius: 37
Temperature in Fahrenheit: 98.600
24. Write a C program to convert the normal body temperature of a man from Fahrenheit to Celsius.
OR
Write a C program to convert temperature from Fahrenheit to Celsius degree.

Output:
Enter temperature in Fahrenheit: 98.6
Temperature in Celsius: 37.000
25. Write a program in C to calculate and print the function value after evaluating:
y=x2 + 2x -3 at x=4

Output:
The function value is: 21