A comprehensive introduction to the quantitative reasoning skills tested on the GMAT, covering arithmetic, algebra, geometry, and data analysis.
Sometimes, it's better to make an educated guess than to spend too long on a tough question. The GMAT doesn’t penalize for wrong answers, so use elimination techniques to improve your odds.
Even a random guess gives you a chance, but a smart guess can turn a near-miss into a win.
Cross off two impossible answers, then guess between the remaining options.
Spot that two answers are exactly the same and eliminate both, since only one can be correct.