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Quantitative Comparison technique · GRE · Courselo

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GRE
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Quantitative Reasoning: Question formats and technique

Quantitative Comparison technique

Quantitative Reasoning: Question formats and technique · Lesson 1 of 2

Lesson 1 of 2

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Unit 8

Quantitative Reasoning: Question formats and technique

2 lessons · 1 h 55 min of study

Quantitative Comparison techniqueReading · 0%
Multiple-answer, Numeric Entry and the on-screen calculator45 min of study

This unit is ≈3% of the GRE, across 2 lessons. Full syllabus

Lesson 1 of 2 · Quantitative Reasoning: Question formats and technique

Quantitative Comparison technique

3 quick checks≈2% of the testStretch: Stretch: harder material that separates the top grades

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By the end you’ll be able to

Interpret the four fixed choices and know that (D) is correct whenever the relationship can change
Simplify both quantities with the same legal operations, never multiplying or dividing by a quantity whose sign is unknown
Test cases systematically (zero, one, negatives, fractions, large numbers) to prove or rule out (D)

Practice this skill

Adaptive questions on Quantitative Comparison technique.

Practise this topic

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Estimate and compare structure instead of calculating exact values

Remember that a QC answer can never be (D) when both quantities are fixed numbers

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PreviousDistributions, random variables and the normal curve Next lessonMultiple-answer, Numeric Entry and the on-screen calculator