Need some tips on the math section, the damn answers are already provided, choices A thru E, now I need to find the right one.
Any quickie solutions or tips on how to figure out the "right" answer versus calculating the full problem by hand (and potential making one mistake which will throw you off)?
Backsolving? or picking numbers?
Some problems can be solved fairly easily with logic, but not in GMAT condidtions when you are very strictly timed.
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