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07 Nov 2020, 10:21
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
76% (01:20) correct
24%
(01:24)
wrong
based on 148
sessions
History
Date
Time
Result
Not Attempted Yet
07 Nov 2020, 12:39
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Bunuel
This is A pieces of the Puzzle type of question. Here we need to get to actual values.
Statement 1:|2x + 3| = 4
-4 = 2x + 3 = 4
-7 = 2x = 1
-3.5 = x = 0.5
Here we are getting 2 values of x
Therefore Statement 1 Alone is Insufficient. Answer options could be B, C or E
Statement 2: |4x – 4| = 2
-2 = 4x - 4 = 2
2 = 4x = 6
0.5 = x = 1.5
Here we are getting 2 values of x
Therefore Statement 2 Alone is Insufficient. Answer Options could be C or E
Combining Both Statements:
From Statement 1, x = -3.5 and x = 0.5 and from statement 2, x = 0.5 and x = 1.5
Here one common value from both the equations, which satisfy them both is x = 0.5
Therefore Both Statements together are Sufficient.
Option C
Arun Kumar
07 Nov 2020, 13:39
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Statement 1 -
|2x-3| = 4
i.e. 2x-3 = 4 => x = 1/2
or 3-2x=4 => x = -1/2
Not Sufficient
Statement 2 -
|4x-4| = 2
i.e. 4x-4 = 2 => x = 3/2
or 4-4x = 2 => x = 1/2
Not Sufficient
Combining both St
x= 1/2
IMO : C
|2x-3| = 4
i.e. 2x-3 = 4 => x = 1/2
or 3-2x=4 => x = -1/2
Not Sufficient
Statement 2 -
|4x-4| = 2
i.e. 4x-4 = 2 => x = 3/2
or 4-4x = 2 => x = 1/2
Not Sufficient
Combining both St
x= 1/2
IMO : C
