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Source: Official Guide for GMAT Review 2016 Problem Solving; #54

4

In the table above, what is the

In the table above, what is the number of green marbles in Jar R?

2 Explanations

2

Christian Carter

An alternative way to approach this problem is to notice that Jars Q and R have a difference of 40, such that X is 40 > Y. Plug that difference into Jar P and X must equal 60. In Jar R, subtract X (60) from 160 to get to Z = 100

Apr 21, 2017 • Comment

4

Gravatar Mike McGarry, Magoosh Tutor

Aug 13, 2015 • Comment

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Section 5.3 Problem Solving

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