Be aware the Built-in Reasoning section is scored on the different scale in the Quantitative Reasoning and Verbal Reasoning sections, and is commonly viewed as ancillary for the “core” GMAT. Consequently, folks tend not to spend as much time studying for this portion. Take an Formal diagnostic check from GMAC. https://online-gmat-exam-help68843.suomiblog.com/taking-gmat-exam-service-for-dummies-41614722