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17 Dec 2017, 23:52
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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:
75%
(hard)
Question Stats:
4% (00:44) correct
96%
(00:31)
wrong
based on 24
sessions
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Time
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If z is negative, is y greater than zero?
(1) yz = 4
(2) yz = 12
(1) yz = 4
(2) yz = 12
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18 Dec 2017, 00:03
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Bunuel
Product of a negative number with another number can be positive ONLY if the other number is also negative. (because if other number is 0, product will be 0 and if other number is positive, product will be negative)
(1) since product of y and z is positive and z is negative, y also must be negative. So y cannot be greater than 0. We get NO as our answer. Sufficient.
(2) here also product of y and z is positive, so y cannot be greater than 0. NO as our answer. Sufficient.
Hence D answer
18 Dec 2017, 00:05
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D ?
Statement 1 : if z is negative then y has to be negative . Answer No. Sufficient
Same with statement two.
M I correct ? @bunuel
Sent from my Redmi 3S using GMAT Club Forum mobile app
Statement 1 : if z is negative then y has to be negative . Answer No. Sufficient
Same with statement two.
M I correct ? @bunuel
Sent from my Redmi 3S using GMAT Club Forum mobile app
