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Ratios, rates and proportions · GRE · Courselo

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GRE
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Quantitative Reasoning: arithmetic

Ratios, rates and proportions

Quantitative Reasoning: arithmetic · Lesson 5 of 6

Lesson 5 of 6

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Unit 4

Quantitative Reasoning: arithmetic

6 lessons · 5 h 30 min of study

Integers, divisibility, primes and remainders1 h 10 min of study
Fractions, decimals, absolute value and the number line50 min of study
Exponents and roots1 h of study
Percents and percent change50 min of study
Ratios, rates and proportionsReading · 0%
Sequences and patterns40 min of study

This unit is ≈12% of the GRE, across 6 lessons. Full syllabus

Lesson 5 of 6 · Quantitative Reasoning: arithmetic

Ratios, rates and proportions

3 quick checks≈2% of the testCore: Core: tested on most papers

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By the end you’ll be able to

Set up and scale part-to-part and part-to-whole ratios, and combine two ratios through a shared term
Work with rates, unit rates and unit conversions
Recognise direct and inverse proportion and solve proportion problems
Solve mixture and weighted-combination problems with ratios

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Adaptive questions on ratios, rates and proportions.

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