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ket_gmat: Senior | Next Rank: 100 Posts; Posts: 41; Joined: Sun Aug 31, 2008 10:12 am

by ket_gmat » Mon Sep 29, 2008 4:11 am

another DS problem
Pls find attached doc.
I think ans is A

Attachments

Source: Beat The GMAT — Data Sufficiency | Mon Sep 29, 2008 4:11 am

4meonly: Legendary Member; Posts: 891; Joined: Sat Aug 16, 2008 4:21 am; Thanked: 27 times; Followed by:1 members; GMAT Score:660(

by 4meonly » Mon Sep 29, 2008 8:06 am

this Q was discussed previously
please try to find

answer is C
because 1 and 2 will say that (n-1)(n+1) will be a factor of 24, so R=0

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