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BostonTC2018
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Location: United States (MA)
Schools: Yale '24 Wharton '24 Stern '24 Harvard '24 (A) Johnson '24 (WD) Columbia CBS '24 (A$)
GMAT 1: 740 Q48 V42
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Schools: Yale '24 Wharton '24 Stern '24 Harvard '24 (A) Johnson '24 (WD) Columbia CBS '24 (A$)
GMAT 1: 740 Q48 V42
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Can we use the Overlapping Circle & Matrix strategies interchangeably? 03 Jan 2021, 09:50
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Whenever I see a question that involves using overlapping sets / matrices, I always struggle on which method to choose. Can we use them both interchangeably? Is there a rule that we should follow on when to use which approach?

Any help to guidance on this topic would be much appreciated. Thank you all!!

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Can we use the Overlapping Circle & Matrix strategies interchangeably? 03 Jan 2021, 11:10
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BostonTC2018
Whenever I see a question that involves using overlapping sets / matrices, I always struggle on which method to choose. Can we use them both interchangeably? Is there a rule that we should follow on when to use which approach?

Any help to guidance on this topic would be much appreciated. Thank you all!!
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Hi BostonTC2018

There is no hard and fast rule for which method to use.
IMO, the table method is much easier to use.

However, if the details are not very explicitly stated for each section, we should use the formulas instead from the overlapping sets:
Let's say there are three sets A, B, and C and these overlap for (Atleast 2) and (All 3) values, then use the formula

Total - None = (A + B + C) - (Sum of common values in Atleast 2) - 2 (Sum of common values in all 3)

Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!