As you may already know, in June 2012, the GMAT exam will gain a new section designed to measure candidates' ability to evaluate information from multiple sources. The next generation GMAT will include a new 30-minute Integrated Reasoning section that will ask you to interpret data presented graphically, analyze different types of information, and evaluate outcomes.

The GMAT Verbal, Quantitative and Total Scores will not change. Test takers will receive a separate score for the essay, as they do now, and for the new Integrated Reasoning section. The overall length of the GMAT exam also will not be changed. When the Integrated Reasoning section is added, the Analytical Writing assessment will be streamlined to include only one 30-minute essay.+

If you want to explore the NEXT GENERATION GMAT exam you can see a sample question and some explanations and advices here!