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Chris Peckover
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Oct 13 to Jan 7, 2027

with Chris Peckover

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Tue, Thu · 8:00 to 10:00 PM ET
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40 live hours + 6 months of GMAT OnDemand
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Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

Schedule
Sun · 9:30 AM to 12:30 PM ET
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40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
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  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
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sets !

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
Expert replies
Source: — Quantitative Reasoning |

by Brent@GMATPrepNow » Sat Apr 16, 2011 7:25 am
marmar29 wrote:whats the meaning of A is not a proper subset of B ??
or is proper subset !!
Don't worry, this is not a term you need to know for the GMAT.
But, if you're interested, this link explains it: https://www.cs.odu.edu/~toida/nerzic/con ... asics.html

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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