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02 Jul 2023, 07:02
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
48% (01:01) correct
52%
(01:00)
wrong
based on 99
sessions
History
Date
Time
Result
Not Attempted Yet
02 Jul 2023, 08:06
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Laila12618
Question: x = ?
Statement 1
(1) |x|=−x
x can be any negative value. We don't have a definite answer for the x.
Hence, the statement alone is not sufficient. We can eliminate A and D.
Statement 2
(2) |x|^2=−(x)^2
\(x^2\) is non negative.
If \(x^2\) is a positive value, the LHS of the equation, |x|^2, will become negative. Therefore \(x^2\) cannot be positive.
The only other possible value of x = 0
Hence, x = 0.
This statement alone is sufficient to find the value of x.
Option B
30 Jan 2025, 07:03
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