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Is mn < m/n (1) mn is a positive integer. (2) n is a

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Is mn < m/n (1) mn is a positive integer. (2) n is a [#permalink] New post 29 Sep 2004, 03:43
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A
B
C
D
E

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10. Is mn < m/n
(1) mn is a positive integer.
(2) n is a negative number.
My aplogies guys.

Last edited by saurya_s on 29 Sep 2004, 05:33, edited 1 time in total.
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 [#permalink] New post 29 Sep 2004, 05:20
Saurya, could u repost the questions......none of them are clear and seem to be missing some symbols/data.....like the PS hard 29 & PS: sequence problems as well.......
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 [#permalink] New post 29 Sep 2004, 05:21
I have hard time understanding the last three princeton questions. Some typo. Can u check it again please. Thanks.
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 [#permalink] New post 30 Sep 2004, 09:30
I'm also with E.

We have to know whether n is a fraction or not..
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Re: PS Princeton Hard [#permalink] New post 01 Oct 2004, 03:46
saurya_s wrote:
10. Is mn < m/n
(1) mn is a positive integer.
(2) n is a negative number.
My aplogies guys.


I feel the answer is A.

when mn is positive then m/n should also be positive. Either mn has to be > m/n or mn has to be =m/n.
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 [#permalink] New post 03 Oct 2004, 09:57
Yes but in case of
m = -4 n = -1/4

mn = 1 ; m/n = 16 => mn < m/n

m = -1/4 ; n = -4

mn = 1 ; m/n = 1/16 => mn > m/n

mn is a positive integer in both cases ..can we be sure of mn < m/n answer ??
Hence not an A
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Re: PS Princeton Hard [#permalink] New post 08 Oct 2004, 09:08
saurya_s wrote:
10. Is mn < m/n
(1) mn is a positive integer.
(2) n is a negative number.
My aplogies guys.


Lets see all possible scenarios,
Stement 1. mn is positive, could mean m = 4, n =2 or vice versa, and mn>m/n. However lets assume m = 4 and n =1/2 mn =2, and m/n could be 8. In this case mn<m/n. So statement 1 is insufficient

Statement 2 say tht n is a negative integer, this standing alone does not help us in any way as n=-4 and m = -2 and mn=8 while m/n could be 2 or i/2, in which case mn>m/n. however if m =-4 and n=-1/2, then mn<m/n, Statement 2 is thus insufficent.

When you combine the two, it still does not help, this is the case i showed in 2, because combining the two would mean that m is also negative.

Thus E is the likely answer
Re: PS Princeton Hard   [#permalink] 08 Oct 2004, 09:08
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