Aspect Software Interview question:

1. Which version of .NET Framework you have used?
2. What are new features in .NET Framework 4.0.
3.New featuers in .net framework 4.5.
4.what will be output:
     var x="string"
     var x=10;
5. What is extension method.
6. What is generic.
7. What generic method.
8. what is T in generic method. can we change T to U.
      It will compile?
9. What design pattern used. What is singleton.
10. What other design pattern used.