# Numbers to plug in for Quantitative Comparison

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The GRE often has quanitative comparison, which numbers do you use to plug in to check if A or B is bigger/smaller/equal/cannot be determined?

So far I have come up with -1, 0, +1 and then depending on the problem another set of +/- integers.

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Be sure to plug in a fraction as well.  I had a couple of problems on my official test this fall where fractions were the "trick" part of the comparison...

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The fraction is a great suggestion - usually they're the trick. One of the prep books recommends trying the ZONE 1 formula: zero, one, negatives, extremely large/small.

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• 2 weeks later...

You want to plug in numbers that represent a nice cross-section of all numbers (big, small, positive, negative)

I recommend 0, 1, -1, 1/2, -1/2, 10 and -10

If you're interested, we have a free video on plugging in values: http://www.greenlighttestprep.com/module/gre-quantitative-comparison?id=1098

Cheers,

Brent

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