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27 Jun 2022, 04:30
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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:
35%
(medium)
Question Stats:
63% (01:07) correct
37%
(00:52)
wrong
based on 79
sessions
History
Date
Time
Result
Not Attempted Yet
If j is an integer, what is the value of j?
(1) j – j = 0
(2) j^2/2 = j
(1) j – j = 0
(2) j^2/2 = j
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
27 Jun 2022, 09:30
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Statement 1: j can be anything. So, it is not sufficient
Statement 2: j^2/2=j
It is possible only if j=2 or -2
Here also, we cannot zero down to single answer so insufficient
Statement 1 and 2 together
-2-(-2)=0
2-2=0
This also giving us two answers
So, it is E
Statement 2: j^2/2=j
It is possible only if j=2 or -2
Here also, we cannot zero down to single answer so insufficient
Statement 1 and 2 together
-2-(-2)=0
2-2=0
This also giving us two answers
So, it is E
27 Jun 2022, 10:04
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Be careful to not cancel one of the results of the incomplete quadratic equations and be inducted to answer B.
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