GMAT Data Sufficiency questions may be unique, but they aren’t impossible. Use these 6 tips to master Data Sufficiency on the GMAT!. Tips to Conquer the GMAT Data Sufficiency Section. If you are taking GMAT for the first time, you must know that data sufficiency section is a. With some practice, your mind will be trained to think like a GMAT Data Sufficiency.

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Territorial Populations IR Explained: You won’t find a Data Sufficiency problem anywhere else in the world, but if you want a respectable score on the Quantitative part of the test, you’ll need to spend a lot of time getting comfortable with tircks Data Sufficiency question type.

The Data Sufficiency Dafa If you’re a complete novice, it’s necessary to familiarize yourself with the basic format. Here’s what a Data Sufficiency item looks like: If x is positive, is x a prime number? Information given in the question.

## Advanced GMAT Data Sufficiency Tips (Video)

Here, we know that x is positive. That will never change. There isn’t always information given in the question. We want to know whether x is prime. Ymat Process Evaluate each statement on its own. If there is information given in the question, keep that in mind as well.

First, look at 1.

### Ten Tips to Conquer the GMAT Data Sufficiency Section | QS-LEAP

Using 1 alone, we know that x is positive, and that it is odd. Is that enough information to answer the question? If x is a positive odd number, it could be prime: However, it might not be prime: Thus, we say that statement 1 is insufficient.

Next, look at 2 alone. The tricky part is that you have to temporarily forget what you learned in 1. It may sound easy, but I absolutely guarantee you that you’ll make this mistake at least once, and probably many more times than that.

Again, we’re also considering information given in the question. Here, then, we know that x is positive, and that it is less than 8. If x is greater than 0 and less than 8, is it prime? Again, we don’t know. It could be 3, which is prime, but it could be 4, fata is not.

Further, we don’t know that x is an integer, which opens up the possibility that x is, say, 2. So, statement 2 is insufficient. Putting the Statements Together If both statements are insufficient on their own, we must trixks both of them together.

Here, we have all of the information available to us: The only possible values for x are 1, 3, 5, and 7. Still, however, we don’t have enough information.

While 3, 5, and 7 are prime, 1 is not a prime. The statements, when taken together, are still insufficient.

The Choices One thing that makes Data Sufficiency more manageable is that the choices never change: They are the same on every single DS item. I wrote more about the choices, and some additional tricks you can use to navigate them, in this article.

In the question we just worked through, the correct choice was E. Data Sufficiency Strategies I’ve written a few other articles on Data Sufficiency, but to keep things short, here are some pieces of advice to start with: Don’t calculate except when necessary.

You only need to know whether the statements are sufficient, not what the value of x is. Often, the questions are needlessly complex, but if you spend a few seconds looking for what you really need to know, you can make the question much simpler. Don’t pick numbers as your default strategy.

## GMAT Prep Online Guides and Tips

The Perils of Picking Numbers. When you’re starting out, Data Sufficiency can seem very daunting, but keep practicing. By the time you take the test, you should be handling DS questions faster than Problem Solving items because you don’t have to calculateand the format will be second nature. It’s “far and away the best study material available,” including over realistic practice questions and more than exercises!

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