Data Sufficiency on Verbal Reasoning related Questions and Answers

Question :   Question: The last Sunday of March, 2006 fell on which date ? Statements: The first Sunday of that month fell on 5th. The last day of that month was Friday. 1. I alone is sufficient while II alone is not sufficient 2. II alone is sufficient while I alone is not sufficient 3. Either I or II is sufficient 4. Neither I nor II is sufficient 5. Both I and II are sufficient Answer :   3 - Either I or II is sufficient