Infor Dot Net Programmer interview questions

1) Write few sql queries that includes all conditions,clauses etc (Given a white paper) 2) Explain .Net Architecture (i.e CLR,CTS etc..) 3) What is GAC? 4) What is the functionality of CAS which is a part of CLR? Have you implemented in your project and how? 5)A logical question ( In an election , 20% are invalid votes , winner got 55% votes , loser got 25% votes. So, how many votes did the winner got if the total votes are 10000) 6)How do you delete duplicate records in an sql table? 7)Difference between having clause and where in SQL.