Buy only if you struggle with basic math rules or DS logic. Otherwise, prioritize the GMAT Official Guide + Target Test Prep for a 700+ score.
It teaches specialized strategies to dismantle complex, wordy problems quickly. Core Content Areas Covered gmat math bible novapdf
The GMAT has evolved. In recent years, the test has moved away from complex, multi-step calculation traps and toward logic-based, concise quant questions. Buy only if you struggle with basic math rules or DS logic