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If the reciprocal of n is less than -2, which of the following positio

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MathRevolution
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If the reciprocal of n is less than -2, which of the following positio [#permalink] New post   04 Apr 2016, 01:03
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A
B
C
D
E

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If the reciprocal of n is less than -2, which of the following positions is n?

Attachment:
in.jpg


A. A
B. B
C. C
D. D
E. E


* A solution will be posted in two days.

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chetan2u
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Re: If the reciprocal of n is less than -2, which of the following positio [#permalink] New post   04 Apr 2016, 06:22
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MathRevolution wrote:
If the reciprocal of n is less than -2, which of the following positions is n?

Attachment:
in.jpg


A. A
B. B
C. C
D. D
E. E


* A solution will be posted in two days.


hi,
I do not think either the Q OR the answer is correct..
As far as I know 1/0 is undefined, so how can it be less than -2
None of the answer will fit in
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BrentGMATPrepNow
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Re: If the reciprocal of n is less than -2, which of the following positio [#permalink] New post   04 Apr 2016, 09:04
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MathRevolution wrote:
If the reciprocal of n is less than -2, which of the following positions is n?

Attachment:
in.jpg


A. A
B. B
C. C
D. D
E. E


* A solution will be posted in two days.


This is a very confusing question. That said, what conclusions can we make about n?

We're told that 1/n < -2
This means that 1/n is NEGATIVE, which means n must be NEGATIVE.
If we multiply both sides of the inequality by n we get: 1 > -2n

Aside: notice that we REVERSED the inequality because we multiplied both sides by a NEGATIVE value. For more on this, see our free video: https://www.gmatprepnow.com/module/gmat ... /video/979

Now let's divide both sides by -2 to get -1/2 < n
Also, since we know that n is NEGATIVE, we can conclude that -1/2 < n < 0

So, ANY value of n such that -1/2 < n < 0 will satisfy the condition that 1/n < -2

How does relate to the answer choices? I have no idea. The question is strangely worded.

Cheers,
Brent
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Re: If the reciprocal of n is less than -2, which of the following positio [#permalink] New post   04 Apr 2016, 09:09
N should be ( -1 ~ 0 )


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Re: If the reciprocal of n is less than -2, which of the following positio [#permalink] New post   06 Apr 2016, 06:14
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chetan2u wrote:
MathRevolution wrote:
If the reciprocal of n is less than -2, which of the following positions is n?

Attachment:
in.jpg


A. A
B. B
C. C
D. D
E. E


* A solution will be posted in two days.


hi,
I do not think either the Q OR the answer is correct..
As far as I know 1/0 is undefined, so how can it be less than -2
None of the answer will fit in



Hi,
Since 1/0 is not the scope of GMAT test, it is not covered.
n<-2 -> 1/n>1/-2 -> 0>1/n>1/-2=-1/2
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MathRevolution
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Re: If the reciprocal of n is less than -2, which of the following positio [#permalink] New post   06 Apr 2016, 06:31
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If the reciprocal of n is less than -2, which of the following positions is n?

A. A
B. B
C. C
D. D
E. E


-> 1/n<-2 and from 0>n>1/-2=-1/2, the range that it satisfies is C.
Therefore, the answer is C.
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Re: If the reciprocal of n is less than -2, which of the following positio [#permalink] New post   06 Apr 2016, 06:52
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MathRevolution wrote:
chetan2u wrote:
MathRevolution wrote:
If the reciprocal of n is less than -2, which of the following positions is n?

Attachment:
in.jpg


A. A
B. B
C. C
D. D
E. E


* A solution will be posted in two days.


hi,
I do not think either the Q OR the answer is correct..
As far as I know 1/0 is undefined, so how can it be less than -2
None of the answer will fit in



Hi,
Since 1/0 is not the scope of GMAT test, it is not covered.
n<-2 -> 1/n>1/-2 -> 0>1/n>1/-2=-1/2


hi,

1/0 is undefined Not ONLY in GMAT but in actual world too...
If 1/0 is not the scope of GMAT, this Q does not represent GMAT..
Also, inspite of that your solution is not clear at all. Request if the solution can be given in more detail..

This Question is Locked Due to Poor Quality
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Re: If the reciprocal of n is less than -2, which of the following positio [#permalink]
06 Apr 2016, 06:52
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