DearAbhijit, Your score in Exam 2 is 55 out of 100 Everything was right except #1: See the answer key: -10 points #2: set-up correctly the type II description, but did not change the order etc. : -8 point #5: did not do: -10 points #7(d): Right answer but you did not explain: -2 points #9: didn't do: -10 points #10: started correctly, but did not finish. Wrong answer: -5 points Best wishes Dr. Z.