pstrongComprehensive Prep for GMAT Data Sufficiency. strongp pEvery year, students pay 1,000 and more to test prep companies to prepare for the math section of the GMAT. Now you can get the same preparation in a book.p pAlthough data sufficiency problems are difficult, they are very learnable. GMAT Data Sufficiency Prep Course presents a thorough analysis of GMAT math and introduces numerous analytic techniques that will help you immensely, not only on the GMAT but in business school as well.p pFeatures p pstrongComprehensive Review strong Twenty-four chapters provide the most thorough review of data sufficiency math available.p pstrongPractice strong Includes 196 examples and more than 205 exercises p pstrongPerformance strong If your target is a 700 score, this is the book p