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Shorter GRE Quantitative Reasoning in a Nutshell
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Updated on: 22 Jul 2024, 13:53
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Shorter GRE Quantitative Reasoning in a Nutshell
2 Sections
Section 1: 12 questions; 21 minutes
Section 2: 15 questions; 26 minutes
Types of questions:
1) - Quantitative Comparison
Choices are always:
A) Quantity A is greater B) Quantity B is greater C) The two quantities are equal D) The relationship cannot be determined from the information given
If the quantities only involve numbers eliminate choice D “The relationship cannot be determined from the information given”
Plugging in method: Always pick 2 easy and opposite numbers such as 2 & -2 or 2 and 1⁄2 (+/- or whole # and fraction). (Be careful using 0 and 1 bc they have special properties)
Always try to make the quantities look the same. Always do the same thing to both sides!
Never assume, rely only on what you know, figures aren’t always drawn to scale
Don’t forget other possibilities ( √4 = ± 2 )
Don’t fall for look-alikes!
2) - Problem Solving
Some questions will have one or multiple answers.
RTQF x2: read the question first \(\times 2\), carefully! Before you look at answer choices figure out what are you trying to find and what kind of answer you expect (estimate).
Pick a method
Straightforward math (not the quickest, there is usually an easier trick)
Pick numbers and plug in (difficult looking problems)
Back Solve *notice the choices are in numerical order*
Start with choice B or D
If B is too large it is A, if B is too small check D
If D is too large it is C.
Strategic Guessing, process of elimination
Check that your answer makes sense with your estimate and answers the correct question.
3) - Data Interpretation
Some questions will have one or multiple answers
Take your time to look at the title, scale, notes, and key on the figures
Don’t be afraid to touch the computer screen, put your finger on the values you need
3) - General strategies
Always take into account to use a strategic guess
Skip often
Always use scratch paper
Questions are not intended to do lots of complex math, look for the shortcuts
Don’t rely on a calculator in practice. You will only have access to a basic on-screen one
Process of elimination!
Always factor or unfactor
Don’t get caught watching the time! Hide it if you find yourself stressing over the time