# How to Solve the Most Challenging GMAT Data Sufficiency Questions?

Data Sufficiency questions play avery critical role in scoring well on the Quantitative section of GMAT. Each Data Sufficiency problem consists of a question, often accompanied with some information, and two statements giving additional information.

Your job is to work out whether you can answer the question using the given information. Please note that you need not solve the problem right down to the answer.

Three types of most challenging DS questions are explained which thereby will give you an overview about how to answer and deal with the same in the TEST.

## TYPE I - Simplifying the Question

In some GMAT DS questions, data, values or information are given in the question itself which helps you simplify further. Hence, depending on what is asked, it will be convenient for you to deconstruct the question into a simpler form before jumping onto the statements. Given below is a standard example where the question is first simplified and then the statements are used.

Question
If a and b are positive integers, is (ab)b + 1 – aa + 1 odd?
(1)    2a + 3b is odd.
(2)    5a  + 7b + 2 is even.

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Prepared by Jamboree Faculty