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Do this in 1.5 mins. lets go! If n and m are integers , is n

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CEO
Joined: 15 Aug 2003
Posts: 3469
Followers: 61

Kudos [?]: 701 [0], given: 781

Do this in 1.5 mins. lets go! If n and m are integers , is n [#permalink]  19 Sep 2003, 02:05
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Do this in 1.5 mins. lets go!

If n and m are integers , is n greater than m?

a. (n+1)^2 > m^2
b. (n-1)^2 < m^2
SVP
Joined: 03 Feb 2003
Posts: 1609
Followers: 6

Kudos [?]: 75 [0], given: 0

not that easy

(1) n=3, m=1 and n=-7, m=1 not suff
(2) not suff by the same reason

combine: (n+1)^2>m^2>(n-1)^2, where n>0. No info about m.
Looks like E.
Senior Manager
Joined: 21 Aug 2003
Posts: 258
Location: Bangalore
Followers: 1

Kudos [?]: 4 [0], given: 0

will go with E.
Since i am looking at square of m (in the choices given), so m can be positive as well as negative and still satisfy for a particular n.
Thus n>m will be No or Yes depending on sign of m.
-vicky
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