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by crackgmat007 » Thu Oct 29, 2009 10:41 am
In stmt 2, is it wrong to assume that there are multiple even numbers in set N? But based on the wording, it looks like one can go that way. In real GMAT, do we see such instances?
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by Harbinder » Thu Oct 29, 2009 3:41 pm
IMO it should be C

As per statement 2 there are three posibilities
10
8,2
6,4
Statement 1 tells us that the product to numbers in N is odd multiple of 16. (16, 48, 80...)
and only option 8,2 satisfies both the statements.

What is OA?
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by scoobydooby » Fri Oct 30, 2009 12:07 pm
yes agree that sum would mean more than one number.
so there cant be just one even. only 2 evens can give a sum of 10 (either 2+8 or 6+4). would go for B.
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by crackgmat007 » Fri Oct 30, 2009 1:51 pm
scoobydooby wrote:yes agree that sum would mean more than one number.
so there cant be just one even. only 2 evens can give a sum of 10 (either 2+8 or 6+4). would go for B.
We seem to have the same line of thought. Even I went for B. But OA is C. However, this is not a GMAT official problem. So I wanted to check if we see such kind of nuances in the real GMAT. Thoughts?
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by life is a test » Sun Nov 01, 2009 9:20 am
Harbinder wrote:IMO it should be C

As per statement 2 there are three posibilities
10
8,2
6,4
Statement 1 tells us that the product to numbers in N is odd multiple of 16. (16, 48, 80...)
and only option 8,2 satisfies both the statements.

What is OA?
I don't understand how to use statement 2 to figure out the number of even nums? can anyone explain pls?
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by smartm0ve » Mon Nov 02, 2009 9:03 pm
can you please explain what information can be extracted from statement 1 ?
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by lunarpower » Mon Nov 16, 2009 2:58 am
hi -

technically, you can have the "sum" of one integer. if there is only one integer in a set, then, yes, "the sum of all integers in the set" is ... that one integer.

BUT,

the gmat is very conscientious about avoiding problems that turn on such nuances.
although many gmat problems are quite detail-oriented and particular, i have never seen a "trick problem" such as this one. so i wouldn't really worry about it.

whoever wrote this problem has simply lost sight of (or, perhaps, never had sight of) the ways in which actual gmat problems are written, and has decided to write "clever trick problems" instead.
(this issue is more common than one might think among test-prep types; the best explanation i can come up with is that it's less boring to write these trick problems than to write standard problems).

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the short answer:
yes, you can have a sum of 1 number.
no, the gmat will not do this to you.
Ron has been teaching various standardized tests for 20 years.

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