GMATPRep Distance ABC

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aimhigh715: Senior | Next Rank: 100 Posts; Posts: 41; Joined: Thu Nov 08, 2007 3:22 pm

by aimhigh715 » Sun Dec 09, 2007 12:10 pm

On the number line distance between A and C is 5. and Distance between B and C is 20. Does C lie between A and B?

1) Distance between A and B is 25.

2) A lies to left of B.

OA: A

I put D. Why isn't B sufficient as well? Thanks

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Source: Beat The GMAT — Data Sufficiency | Sun Dec 09, 2007 12:10 pm

Tud: Senior | Next Rank: 100 Posts; Posts: 33; Joined: Tue Dec 04, 2007 12:04 pm; Location: Nova Scotia; Thanked: 6 times

by Tud » Sun Dec 09, 2007 2:46 pm

Statement B leaves a couple possibilities:

C-5-A-15-B
or
A-5-C-20-B

In both cases A lies to the left of B, but C can be located in between or outside of A and B.

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