shortcuts
3 articles tagged shortcuts.

Stop Solving for x When the Question Doesn't ASK for x
The GMAT asks for x + y and you spend three minutes finding x. Learn to spot the real target and reach it in seconds, not minutes.

Odds, Evens and Signs: The Rules That Do the Math FOR You
Odds, evens and signs follow a handful of rules that never change. Learn them cold and some GMAT Quant questions take 40 seconds instead of three minutes.

Percentages: Pick 100 and Watch the Problem Fall Apart
Percent questions with no real numbers lure you into messy algebra. Start at 100 and most of them turn into arithmetic you can do in seconds.