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Updated on: 30 May 2019, 03:47
Originally posted by CareerGeek on 30 May 2019, 03:40.
Last edited by Bunuel on 30 May 2019, 03:47, edited 1 time in total.
Last edited by Bunuel on 30 May 2019, 03:47, edited 1 time in total.
Renamed the topic and edited the question.
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B
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Difficulty:
75%
(hard)
Question Stats:
36% (01:53) correct
64%
(02:28)
wrong
based on 50
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If x and y are positive integers, is y^2(x^3 - x + 1) > 200 ?
(1) |y| < 3
(2) (x - 2)^2 = 16
(1) |y| < 3
(2) (x - 2)^2 = 16
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
30 May 2019, 04:31
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Dillesh4096
1. Only tells us that y can be 1 or 2, Insufficient
2. x^2 -4x -12 = 0; x=-2 or 6. x has to be 6.
If x=6 then 216+1-6 = 211 (The bracket portion). For any value of y that is +ve (y can't be zero) the expression is >200. Sufficient. B
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