This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Passing percentage will not be printed on certificates. You pass or not. You may use the percentage to evaluate how well you did. I think that it should not be used for any other purposes (like interviews...)