For some kinds of Logical Reasoning questions, stronger answers are better. For others, weaker answers are better. Are you having trouble keeping track of which ones are which? If you’re trying to memorize it one question type at a time, all of this will get much easier if you understand one simple rule. Here’s the fundamental principle.
Sufficient and necessary assumption questions are asking about two very different types of assumptions, but both question types have something in common: The conclusion almost always introduces new information, and finding the correct answer requires identifying and handling that new information appropriately. Sufficient Assumptions Almost all sufficient assumption questions have new information in the conclusion