Write the questions only in c#

AT&T LTE 12:06 PM 67% docs.googleusercontent.com 1. Write a Program to use arrays. 2. Write a program to copy one array's elements to another array without using array function. 3. Reverse a string using array. Hint: accept string value in store in a string variable str. Then convert str into array as follow: charl ch-str.ToCharArray; 4. Shows difference between checked statements and unchecked statements in C# using . Write a program of enumeration in which store three value in enumeration red, yellow and green and shows their numeric position. by writing suitable C# code in which display the user option and based on 6. Shows difference between break and continue 7. Write a program for library management system c: for computer books m: for mathematical books h: for history books e: for English books If user input wrong value then shows them message try again and serve the input prompt again using goto label statement. 8. Write a program to implement list of objects. Input a number from user and displays power of the number. Ask user's to whether continue or not. If user presses y or Y then continue and again accept a number. If user presses any other characters or numbers then quit. (Use while loop) Using for loop print the following output in web 121 12321 1234321 123454321