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19 Jan 2015, 06:08
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
87% (00:56) correct
13%
(01:03)
wrong
based on 63
sessions
History
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Not Attempted Yet
If both ABDC and CDFE are parallelograms, what is q + r?
(1) r = 70
(2) p = 110
Attachment:
2015-01-19_1706.png [ 8.96 KiB | Viewed 7622 times ]
19 Jan 2015, 13:08
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Bunuel
I got to the answer as D:
My approach:
from 1: angle r = 70[deg] => angle q = 70, considering AF||BE and CD as transversal. alternate angles are equal. so, q+r =140, sufficient
from 2: angle p = 110 => angle r = 70 as p+r =180 (angle in a straight line) so same as 1, q = 70. q+r =140, sufficient
Each statement alone is sufficient D
griffith7
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Schools: IESE '26 (I) LBS '26 (D) Judge '25 (D) Tepper '26 (WL) Fuqua '26 (D) Ross '26 (WL) Cornell '26 (WL)
Schools: IESE '26 (I) LBS '26 (D) Judge '25 (D) Tepper '26 (WL) Fuqua '26 (D) Ross '26 (WL) Cornell '26 (WL)
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12 Nov 2023, 15:47
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How can we infer that (r) has any relation to (p) and (q)?
The question only states the upper and lower quadrilaterals are parallelograms, but not that the combined structure (ABFE) itself is a parallelogram, no?
In the case that the whole object is not a parallelogram, wouldn't both statements be required to answer q + r?
The question only states the upper and lower quadrilaterals are parallelograms, but not that the combined structure (ABFE) itself is a parallelogram, no?
In the case that the whole object is not a parallelogram, wouldn't both statements be required to answer q + r?
Attachments
parallelogram.png [ 31.35 KiB | Viewed 1558 times ]
