Numebr line

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chidcguy: Master | Next Rank: 500 Posts; Posts: 438; Joined: Mon Feb 12, 2007 9:44 am; Thanked: 26 times

by chidcguy » Tue Jul 01, 2008 9:38 am

Please find attachment. What is the best way to solve this problem? It was not difficult but was not very easy as well

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Source: Beat The GMAT — Data Sufficiency | Tue Jul 01, 2008 9:38 am

szapiszapo: Junior | Next Rank: 30 Posts; Posts: 28; Joined: Mon Jun 30, 2008 1:45 pm; Thanked: 3 times

by szapiszapo » Wed Jul 02, 2008 7:44 am

I would say that answer is A

statement 1 states that q=-s thus q <0>0. it means that 0 is included into the (q;s) distance and is located strictly in the middle.
r being also inside (q;s), r is closest to 0 because distance (r;0) or (0;r) is smaller than (-s;0) or (0;s).

statement 2 does not provide enough info. Zero could be anywhere inside (q;t) or even before q (i.e. q, r, s, t are all positive numbers).

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