I quickly went through the details about Cause and Effect relationship type questions and Strengthen/Assumption type questions from Powerscore CR bible. It gives clear ideas to eliminate wrong answers, as well as clear ideas to pick the right one.
I am planning to make a note of the tips in my handbook for easy reference. These are details which we will be able to remember only with repeated practice. And to make effective use of these tips, I am planning to practice atlas 10 questions every day, before I wind up my preparation for the day.
Powerscore CR bible: Chapter 7 (Cause and Effect Reasoning), Chapter 8 (Strengthen/Assumption questions) - Pages 133 to190