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chin_min
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Are x and y integers? (1) the product xy is an integer (2) x 30 Oct 2004, 09:13
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Are x and y integers?

(1) the product xy is an integer

(2) x + y is an integer



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nzgmat
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Are x and y integers? (1) the product xy is an integer (2) x 30 Oct 2004, 09:26
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ANS C.

A) X could be 1/2 and Y 4

B) X could be 1/2 and Y 1/2

Together, they both must be integer
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Bhai
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Are x and y integers? (1) the product xy is an integer (2) x 30 Oct 2004, 10:14
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I also think it is C. Is there a fraction which satisfy both the equations.
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chin_min
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Are x and y integers? (1) the product xy is an integer (2) x 30 Oct 2004, 11:02
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my choice is also C

but the OA is E (this Q is from Cracking the GMAT - PR)

but they hv not given any clear explanation with ex.

can any1 figure out fractions which satisfy both the statments........

thanx



[/b]
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chin_min
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Are x and y integers? (1) the product xy is an integer (2) x 31 Oct 2004, 10:03
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can anyone explain the OA with ex.
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twixt
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Are x and y integers? (1) the product xy is an integer (2) x 31 Oct 2004, 12:28
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Answer is E

I am trying do write something theoratical but without success...

if you consider X= sqrt(3) and Y=-sqrt(3) you have the example you was looking for...
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chin_min
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Are x and y integers? (1) the product xy is an integer (2) x 31 Oct 2004, 23:48
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thanx a lot twixt!!!

good example, i had been mulling over this prob for long time
but never thought about 0 as an integer

there is just no end to the various possibities for the DS Qs :oops:
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Are x and y integers? (1) the product xy is an integer (2) x 01 Nov 2004, 03:29
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agree with E.

st.2 can be fractions X( 2.25)+ Y (3.75) and their product can never be an integer.

for both statements you get Yes/No . Combining also Yes/No.

AnsE



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