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17 Aug 2016, 01:52
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
86% (00:39) correct
14%
(00:39)
wrong
based on 95
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In the figure above, what is the value of x?
(1) 2y = 100.
(2) ABCD is a parallelogram.
Attachment:
2016-08-17_1250.png [ 6.61 KiB | Viewed 2897 times ]
17 Aug 2016, 03:05
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Bunuel
Stat 1: We are not sure that the given figure is really a parallelogram, but we don’t really know two sets are parallel lines...Insufficient..
Stat 2: it is not sufficient by itself to solve for the value of x..Insufficient..
Stat 1+ Stat 2: Both statements together, we have the information we need.
If the figure is a parallelogram, then the angles add to 360. If 2y = 100, then 2x = 260 => x = 130...Sufficient..
IMO option C is correct answer..
OA please...will correct if I missed anything..
14 Mar 2017, 16:59
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In the figure above, what is the value of x?
(1) 2y = 100.
(2) ABCD is a parallelogram.
This question straightforward asks us to find the value of the angle x- in order to solve this question we need to know what kind of polygon this figure is- we cannot assume this shape is a paralleogram.
Statement (1) tells us that the value of y is 100- this may preempt use to assume we can derive the value of x because the two appear to be supplementary; though, we can only derive this conclusion if we know the shape is parallelogram. Insufficent
Statement (2) tells us that figure ABCD is a parallelogram; though, there are infinite possibilities for x and y (e.g y could be 120 and x could be 60, or y could be 100 and x 80)- there is no property of parallelograms that allows us to use algebra or any formula to find x and y. Insufficient
Statement (1) and Statement (2) allow us to make the conclusion that angles X and Y are complementary- knowing that these angles are complementary we can conclude 180-50= 130 or that is 100/2= y and therefore y= 50 and x and y must equal 180.
(1) 2y = 100.
(2) ABCD is a parallelogram.
This question straightforward asks us to find the value of the angle x- in order to solve this question we need to know what kind of polygon this figure is- we cannot assume this shape is a paralleogram.
Statement (1) tells us that the value of y is 100- this may preempt use to assume we can derive the value of x because the two appear to be supplementary; though, we can only derive this conclusion if we know the shape is parallelogram. Insufficent
Statement (2) tells us that figure ABCD is a parallelogram; though, there are infinite possibilities for x and y (e.g y could be 120 and x could be 60, or y could be 100 and x 80)- there is no property of parallelograms that allows us to use algebra or any formula to find x and y. Insufficient
Statement (1) and Statement (2) allow us to make the conclusion that angles X and Y are complementary- knowing that these angles are complementary we can conclude 180-50= 130 or that is 100/2= y and therefore y= 50 and x and y must equal 180.
