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04 Sep 2023, 01:30
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C
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Difficulty:
15%
(low)
Question Stats:
73% (00:42) correct
27%
(00:48)
wrong
based on 70
sessions
History
Date
Time
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Not Attempted Yet
Is u = w ?
(1) u = |w|
(2) w = |u|
(1) u = |w|
(2) w = |u|
04 Sep 2023, 02:02
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Bunuel
Is u = w ?
(1) u = |w|
(2) w = |u|
(1) u = |w|
(2) w = |u|
Question: Is u = w?
Statement 1:u = |w|
i.e. u is non-negative and absolute values of u and w are same BUT
Case 1: u = 2 and w = 2 YES
Case 2: u = 2 and w = -2 NO
NOT SUFFICIENT
Statement 2: w = |u|
i.e. w is non-negative and absolute values of u and w are the same BUT
Case 1: u = 2 and w = 2 YES
Case 2: u = -2 and w = 2 NO
NOT SUFFICIENT
Combining the statements
- u and w have same absolute values
- u and w are both non-negative hence
u = w
SUFFICIENT
Answer: Option C
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