Develop c# program which will initialize array dynamically

Question

Q1. Develop a C# program which will initialize array dynamically, take input values for array, and display the values of array on the console.

Q2. Develop a C# program to print your city name.

Q3. Write a C# program that reads from the console the radius "r" of a circle and prints its perimeter and area.

Q4. Write a C# program to calculate (a+b)².

Q5. Write a C# code to get output "Press key to continue...."