GRE Quant · Chapter Test
Quantitative Comparison Strategy — 25-Question Test
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Formula Reference Sheet
This chapter
The four fixed answer choices (memorise)
| Choice A | Quantity A is greater |
|---|---|
| Choice B | Quantity B is greater |
| Choice C | the two quantities are equal |
| Choice D | the relationship cannot be determined from the information given |
Legal moves on a comparison
| Add / subtract the same amount from both | relationship is unchanged |
|---|---|
| Multiply / divide both by the same POSITIVE number | relationship is unchanged |
| Multiply / divide both by a NEGATIVE number | the inequality FLIPS |
| Choice D is impossible when | both quantities are fixed numbers |
GRE reference
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