
In this section you will find the questions consist of a question followed by two statements. Your work is to decide whether the information in the statements is sufficient to answer the question whether we take it singly or together, And these questions doesn’t require much calculations what we need in standard problem solving section, In this section we need to evaluate rather than calculate.
Data sufficiency which is about one-third of the quantitative questions which is prepared to test your skills how you answer any question only with in range of given information. These questions are not like other regular test problems, in what you've to answer the given statement or question. Instead of that regular questions it asks you to determine whether you can answer the question or not only with the given information.
Data Sufficiency is different from the problem solving section and other sections which tests your ability to manipulate numbers. This sections of the GMAT is mostly considered as more difficult than the other common math problems of the test. For this you should have enough math knowledge to complete these types of mathematical problems, where this section can also help you to take more score in your GMAT. To prepare for this section and to complete this section you really need patience and persistence. Practice which is the main key of the GMAT here also helps you to get succeed in this section also.