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14 Sep 2011, 05:17
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If the product of two integers X and Y is negative, what is the value of X-Y?
1. X+Y = 2
2. -3<X<Y
1. X+Y = 2
2. -3<X<Y
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14 Sep 2011, 21:08
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It seems the answer would be E.
It's given that the product of X & Y is negative. Hence one of the two numbers has to be negative.
Statement 1.
X + Y=2
X can take the value -1, -2, -3, -4....
Corresponding to that Y can take the value 3, 4, 5, 6.....
Hence 1 is not enough.
Statement 2
-3<X<Y
It's given that both X & Y are integers. Hence X can be equal to -2, -1, 0.... Similarly Y can be any number more than X.
Thus no definite answer can be obtained using statament 2.
Statament 1 + 2
Since X+Y=2 and the product of the two numbers is negative, using statament 2, we can see that X can be either -2 or -1. Hence Y= 4 or 3
Thus X+Y= 6 or 4.
No definite answer. Hence Option E.
It's given that the product of X & Y is negative. Hence one of the two numbers has to be negative.
Statement 1.
X + Y=2
X can take the value -1, -2, -3, -4....
Corresponding to that Y can take the value 3, 4, 5, 6.....
Hence 1 is not enough.
Statement 2
-3<X<Y
It's given that both X & Y are integers. Hence X can be equal to -2, -1, 0.... Similarly Y can be any number more than X.
Thus no definite answer can be obtained using statament 2.
Statament 1 + 2
Since X+Y=2 and the product of the two numbers is negative, using statament 2, we can see that X can be either -2 or -1. Hence Y= 4 or 3
Thus X+Y= 6 or 4.
No definite answer. Hence Option E.
Archived Topic
Hi there,
Archived GMAT Club Tests question - no more replies possible.
Where to now? Try our up-to-date Free Adaptive GMAT Club Tests
for the latest questions.
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Thank you for understanding, and happy exploring!
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