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Updated on: 07 Aug 2006, 06:02
Originally posted by ugo_castelo on 06 Aug 2006, 08:23.
Last edited by ugo_castelo on 07 Aug 2006, 06:02, edited 1 time in total.
Last edited by ugo_castelo on 07 Aug 2006, 06:02, edited 1 time in total.
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please ignore it...
slip on 5^3=125 not 75
I don't know if I can post questions from previous challenges.
Let me know your opinion, since I do not "agree" with the answer
Consider this data sufficiency question:
is y^2*(x^3-x+1) >75 . Consider x positive integer
1.Y>1
2.(x-1)^2=16
notice it's never mentioned Y is an integer...
let me know your opinion
:
slip on 5^3=125 not 75
I don't know if I can post questions from previous challenges.
Let me know your opinion, since I do not "agree" with the answer
Consider this data sufficiency question:
is y^2*(x^3-x+1) >75 . Consider x positive integer
1.Y>1
2.(x-1)^2=16
notice it's never mentioned Y is an integer...
let me know your opinion
:
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
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06 Aug 2006, 14:07
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ugo_castelo
(1) y>1
if y =2, x=1 4>75 No
if y= 10 , x = 1: 100>75 Yes
BCE
(2)
x-1 = +- 4
x= -3 or 5
since x is +ve x=5
y^2(121) > 75
is y=1 yes
if y=1/2 No
CE
(1)&(2)
If y>1 then y^2(121) > 75
Hence
C
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
