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moneyman: Master | Next Rank: 500 Posts; Posts: 468; Joined: Sat Mar 03, 2007 10:17 pm; Thanked: 5 times

by moneyman » Thu Nov 20, 2008 4:57 am

Is it E?

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Maxx

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Source: Beat The GMAT — Data Sufficiency | Thu Nov 20, 2008 4:57 am

Tryingmybest: Master | Next Rank: 500 Posts; Posts: 168; Joined: Thu Nov 13, 2008 4:34 am; Location: Pittsburgh; Thanked: 9 times

by Tryingmybest » Thu Nov 20, 2008 8:21 am

It is E
Range = Max- Min

We need to know the max and min values of unknowns P Q R

as we cannot find the maximum possible value of Q from the given data
Answer E

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