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17 Oct 2019, 01:58
Kudos
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A
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Difficulty:
15%
(low)
Question Stats:
93% (00:29) correct
7%
(00:41)
wrong
based on 29
sessions
History
Date
Time
Result
Not Attempted Yet
What is the value of d?
(1) a + b = 110
(2) b = 30
Attachment:
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Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
17 Oct 2019, 04:53
Kudos
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Bunuel
Statement I
Now a, b and c are the angles of the triangle, so a+b+c=180, but a+b=110, so c=180-110=70 and d=180-c=180-70=110. Also the exterior angle, d here, is the sum of two opposite interior angles, a and b here, so d=a+b=110
Statement II
b =30, but we require the value of a or c..
A
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