# C Programming Exercises, Practice, Solution : Input Output

## C Basic Input Output statement [10 exercises with solution]

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1. Write a program that converts Centigrade to Fahrenheit.

*Expected Output* :

Input a temperature (in Centigrade): 45

113.000000 degrees Fahrenheit.

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2. Write a C program that calculates the volume of a sphere.

*Expected Output* :

Input the radius of the sphere : 2.56

The volume of sphere is 70.276237.

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3. Write a C program that prints the perimeter of a rectangle using its height and width as inputs.

*Expected Output* :

Input the height of the Rectangle : 5

Input the width of the Rectangle : 7

Perimeter of the Rectangle is : 24.000000

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4. Write a C program that converts kilometers per hour to miles per hour.

*Expected Output* :

Input kilometers per hour: 15

9.320568 miles per hour

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5. Write a C program that takes hours and minutes as input, and calculates the total number of minutes.

*Expected Output* :

Input hours: 5

Input minutes: 37

Total: 337 minutes.

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6. Write a program in C that takes minutes as input, and display the total number of hours and minutes.

*Expected Output* :

Input minutes: 546

9 Hours, 6 Minutes

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7. Write a program in C that reads a forename, surname and year of birth and displays the names and the year one after another sequentially.

*Expected Output* :

Input your firstname: Tom

Input your lastname: Davis

Input your year of birth: 1982

Tom Davis 1982

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8. Write a program in C to calculate the sum of three numbers with input on one line separated by a comma.

*Expected Output* :

Input three numbers separated by comma : 5,10,15

The sum of three numbers : 30

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9. Write a C program to perform addition, subtraction, multiplication and division of two numbers.

*Expected Output* :

Input any two numbers separated by comma : 10,5

The sum of the given numbers : 15

The difference of the given numbers : 5

The product of the given numbers : 50

The quotient of the given numbers : 2.000000

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10. Write a C program to find the third angle of a triangle if two angles are given.

*Expected Output* :

Input two angles of triangle separated by comma : 50,70

Third angle of the triangle : 60

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