Here is one of those tricks to quickly eliminate answer choices from math questions without finishing all calculations for the problem. It involves returning to 5

th or 6

th grade math and just going through the options and crossing out those that simply don't fit due to basic

arithmetic, once the problem is in its simplest form. Of course, it only works for a couple types of problems, that can be simplified into this form, but every bit helps.

**pos x pos= positive****neg x neg= positive****post x neg= negative****even + even= even****odd + odd= even****even + off= odd****even x even= even****odd x odd= odd****even x odd= even**If these last two sets are forgotten, just knowing that the rules exist is helpful. Then you can plug in a couple numbers to figure out the rule.

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