Source: Official Guide for the GMAT 13th Ed. Data Sufficiency; #19 Official Guide for the GMAT 2015 14th Ed. Data Sufficiency; #19

1

In PQR, if PQ=x, QR=x+2, and PR=y

In PQR, if PQ=x, QR=x+2, and PR=y, which of the three angles of PQR has the greatest degree measure?

2 Explanations

2

Maria Chernaya

If we apply the triangle theorem, then Y is less than 6 and more than 2. So Y could be 3,4, or 5. But how did you figure out that X=2 is not sufficient, without applying the theorem.

Oct 20, 2015 • Comment

Cydney Seigerman, Magoosh Tutor

While not stated explicitly in the explanation video, we do take into consider the Triangle Inequality Theorem when evaluating Statement 2. Because we're not told that the sides must be integer values, 2

Oct 31, 2015 • Reply

1

Gravatar Mike McGarry, Magoosh Tutor

Dec 30, 2013 • Comment

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Official Guide for GMAT Review 2016

Official Guide for the GMAT 2015 14th Ed.

Official Guide for the GMAT 13th Ed.

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Official Guide for the GMAT 12th Ed.

Revised GRE PDF 2nd Ed.


Section 6.3 Data Sufficiency

Section 6.3 Data Sufficiency

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