Designed for students seeking 650+ scores, this guide offers essential techniques for approaching the GMAT’s most difficult quantitative questions, as well as extensive practice with challenging problems. You've worked through basic guides and you've taken the practice test—now take your GMAT score to the next level. Build your higher-level quantitative skills with Manhattan GMAT's Advanced Quant supplement, specially designed for students seeking 650+ scores. This guide combines intense practice with techniques for problem solving and data sufficiency questions, ranging from broad principles to tactics for narrowing down possible answers. Purchase of this book includes one year of online access to the Advanced Quant Homework Bank of extra practice questions and detailed explanations not included in the book, as well as to the Advanced Quant Bonus Drill Set.