Module · GRE Question-Type Strategy
Chapter 30: Quantitative Comparison Strategy
GRE Strategy
4 topics
What this chapter covers
The 4 topics below make up Quantitative Comparison Strategy on the GRE. Click any topic to open its notes, examples and practice test.
1The Four Answer Choices
2Simplify Both Columns Equally
3Plug In Smart Numbers (0, 1, negatives, fractions)
4When the Answer is "Cannot Be Determined"
Study material & tests
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Notes, worked examples and hint-guided practice for every topic.
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🎯 Topic tests
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📝 Chapter test
25 fresh mixed-difficulty questions, timed, with full solutions.
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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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