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Source: — Data Sufficiency |
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by DanaJ » Tue Jul 07, 2009 1:50 pm
Again, answered many times before:

https://www.beatthegmat.com/geometry-tri ... t9346.html

https://www.beatthegmat.com/gmat-prep-qu ... 13176.html
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by ghacker » Tue Jul 07, 2009 11:39 pm
POR ^ = 30

That means , from PQR triangle

PQR+(180-PRS)+30 = 180 -----> PRS -PQR = 30 ; Statement I is sufficient

Take PQR triangle

PQR+PRQ+QPR = 180 ; and PRQ+PQR = 150 THIS IS THE SAME AS STATEMENT I , HENCE STATEMENT II = STATEMENT I

STATEMENT II IS SUFFICIENT

ANSWER IS D
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