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31 Jul 2019, 10:13
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
85% (00:48) correct
15%
(00:56)
wrong
based on 143
sessions
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31 Jul 2019, 10:16
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Bunuel
Is X positive?
(1) 15X > 16X
(2) X + 15 > 0
(1) 15X > 16X
(2) X + 15 > 0
Statement 1;
15x > 16x
15x - 16x >0
x(15 - 16) >0
x(-1)>0
Therefore , x must be negative .
Sufficient.
Statement 2:
x + 15>0
x> -15
x could be 100 or 0.
NOT sufficient .
A is the correct answer.
31 Jul 2019, 10:20
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Bunuel
Is X positive?
(1) 15X > 16X
(2) X + 15 > 0
(1) 15X > 16X
(2) X + 15 > 0
#1
15x-16x>0
-x>0
x has to be -ve
sufficient
#2
x+15>0
x can be -ve or +ve ; insufficeint
IMO A
