Lesson: Data Sufficiency Challenging - 18

Multiple Steps

[Page 18 of 24]

Have you ever had the experience of trying to assemble something simple and you think, "This will be a cinch," but by the time you give up you’ve made a huge mess of it? Why does this happen? Usually because the goal of the project is clear but the various steps needed to get there are not. The Exam will test your ability to see how to get from point A to point B by giving you Data Sufficiency questions that will require you to envision the steps needed to determine sufficiency. The Exam is also testing your ability to execute these steps accurately, so watch for careless mistakes. The more steps you have to take, the more opportunities there are to slip up.

In questions like these, the difficulty will not be the math itself. Instead, the difficulty will lie in the fact that after every step you have to figure out where to go next. Common topics in this subgroup are algebra and geometry. The best way to tackle such questions is to keep the question in mind at all times and to keep asking yourself what else you could do to get closer to answering it (but remember that sometimes the statements just won’t give enough info to do so).

Let’s start off with a geometry question.

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