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07 Feb 2021, 10:27
Kudos
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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:
66% (01:36) correct
34%
(02:06)
wrong
based on 38
sessions
History
Date
Time
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Not Attempted Yet
If r and s are both less than 1, is \(r^2 + s^2 > 1\)?
(1) \(r^2 + s > 1\)
(2) \(r^2 + s > \frac{1}{2}\)
Are You Up For the Challenge: 700 Level Questions: 700 Level Questions
(1) \(r^2 + s > 1\)
(2) \(r^2 + s > \frac{1}{2}\)
Are You Up For the Challenge: 700 Level Questions: 700 Level Questions
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
07 Feb 2021, 11:10
Kudos
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Bunuel
r and s could be negative integers too.
(1) \(r^2 + s > 1\)
If r is -2 and s is -1, the answer is yes.
But say r=1/2 and s=4/5....
\(r^2+s^2=\frac{1}{4}+\frac{16}{25}=\frac{89}{100}\), the answer is no.
Insufficient
(2) \(r^2 + s > \frac{1}{2}\)
Same examples as above will be valid
Combined
Same as in statement I
E
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