Update README.md

Author: OrlandoJC

README.md

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-# c-programming-exercises
-solved exercises of C (variety of plataforms)
+# C programming exercises
+## Solved exercises of C (variety of plattforms)
+### Basic
+
+    1.  Write a C program to enter two numbers and find their sum
+    2.  Write a C program to enter two numbers and perform all arithmetic operations 
+    3.  Write a C program to enter length and breadth of a rectangle and find its perimeter.
+    4.  Write a C program to enter length and breadth of a rectangle and find its area.
+    5.  Write a C program to enter radius of a circle and find its diameter, circumference and area.
+    6.  Write a C program to enter length in centimeter and convert it into meter and kilometer.
+    7.  Write a C program to enter temperature in °Celsius and convert it into °Fahrenheit.
+    8.  Write a C program to enter temperature in Fahrenheit(°F) and convert it into Celsius(°C)
+    9.  Write a C program to convert days into years, weeks and days.
+    10. Write a C program to find power of any number x ^ y.
+    11. Write a C program to enter any number and calculate its square root.
+    12. Write a C program to enter two angles of a triangle and find the third angle.
+    13. Write a C program to enter base and height of a triangle and find its area.
+    14. Write a C program to calculate area of an equilateral triangle.
+    15. Write a C program to enter marks of five subjects and calculate total, average and percentage.
+    16. Write a C program to enter P, T, R and calculate Simple Interest.
+    17. Write a C program to enter P, T, R and calculate Compound Interest.
+    
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