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29 Oct 2017, 01:54
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
70% (00:52) correct
30%
(00:51)
wrong
based on 79
sessions
History
Date
Time
Result
Not Attempted Yet
Is the figure ABCD a rectangle?
(1) x = 90
(2) AB = CD
Attachment:
2017-10-29_1252.png [ 7.66 KiB | Viewed 11282 times ]
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
Mick1005
Joined: 15 Aug 2016
Last visit: 21 Jul 2020
Posts: 159
Own Kudos:
Given Kudos: 156
Location: India
Concentration: Technology, Operations
Schools: BYU'21 (A$) Mays '21 (WL) Jindal '21 (A$) Madison '21 (M$) Broad '21 (A$) Simon '21 (WL) Olin '21 (WL) Marshall '21 (D) Krannert '21 (A$) Katz '21 (D) Urbana-Champaign '21 (D) ISB '20 (D) Mendoza '21 (I)
GMAT 1: 690 Q49 V35
GPA: 3.84
WE:Operations (Consulting)
Schools: BYU'21 (A$) Mays '21 (WL) Jindal '21 (A$) Madison '21 (M$) Broad '21 (A$) Simon '21 (WL) Olin '21 (WL) Marshall '21 (D) Krannert '21 (A$) Katz '21 (D) Urbana-Champaign '21 (D) ISB '20 (D) Mendoza '21 (I)
GMAT 1: 690 Q49 V35
Posts: 159
Kudos:
61
29 Oct 2017, 11:06
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IMO:E.
statement-1 x=90.
We dont know anything about the sides. It Can be square or a rectangle or any other quadilateral.Insuff
Statement -2 AB=CD.
We dont know anything about angles.Insuff
Statement 1+2.
We dont know if Ab is parallel to CD or not. Thus quadilateral could be a kite also. Also nothing about BC and AD is given.
Isuff
statement-1 x=90.
We dont know anything about the sides. It Can be square or a rectangle or any other quadilateral.Insuff
Statement -2 AB=CD.
We dont know anything about angles.Insuff
Statement 1+2.
We dont know if Ab is parallel to CD or not. Thus quadilateral could be a kite also. Also nothing about BC and AD is given.
Isuff
02 Nov 2017, 09:40
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Properties of Rectangle:
1. All angles are 90 degree
2. Opp sides are same
------
Option 1: we just know about one side , which is 90 degree. But we don't know anything about other angles.
Hence, Insufficient
Option 2: It mentions that 2 sides are same. It fails to provide information whether 2 sides are parallel.
It also fails to provide information about other two sides.
Hence, Insufficient
When you combine, still we are not sure about this. This can take any shape.
IMO: E
1. All angles are 90 degree
2. Opp sides are same
------
Option 1: we just know about one side , which is 90 degree. But we don't know anything about other angles.
Hence, Insufficient
Option 2: It mentions that 2 sides are same. It fails to provide information whether 2 sides are parallel.
It also fails to provide information about other two sides.
Hence, Insufficient
When you combine, still we are not sure about this. This can take any shape.
IMO: E
