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12 Jan 2017, 06:56
Kudos
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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:
25%
(medium)
Question Stats:
80% (01:18) correct
20%
(01:41)
wrong
based on 52
sessions
History
Date
Time
Result
Not Attempted Yet
12 Jan 2017, 08:00
Kudos
Bookmarks
St1: x + y < -2
x = 0; y = -3 --> xy = 0 > -4
x = 1; y = -5 --> xy = -5 < -4
Not Sufficient
St2: x < –2 and y > 2
xy < (-2 * 2)
xy < -4
Sufficient
Answer: B
x = 0; y = -3 --> xy = 0 > -4
x = 1; y = -5 --> xy = -5 < -4
Not Sufficient
St2: x < –2 and y > 2
xy < (-2 * 2)
xy < -4
Sufficient
Answer: B
12 Jan 2017, 08:04
Kudos
Bookmarks
Bunuel
Is xy < –4 ?
(1) x + y < –2
(2) x < –2 and y > 2
(1) x + y < –2
(2) x < –2 and y > 2
(1) if x=0 , y= -3........NO
but if x=-3 , y= -3 then ...YES
not suff
(2) x & y have magnitude >2
also x& y have opposite sign
thus xy < –4
suff
Ans B
