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gmat prep

by vaivish » Fri Sep 19, 2008 6:18 am
there can be 2 possibities here ......how do u deal with this questions........do we assume something here..
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Source: — Data Sufficiency |
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by schumi_gmat » Fri Sep 19, 2008 12:37 pm
Ans A

AB = Ac + BC

i.e 25 = 5 +20 = 25

This is possible only if C is between A and B. In all other cases AB will be less than 20.

Hence A is suuficient.

Statement 2 -

If A is left of B, indicates that C is not between A and B


Hence A
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by ed09 » Fri Sep 19, 2008 2:52 pm
The problem states:
A--5--C--5--A
B----20----C----20----B

(1) Two possibilities
B----20----C--5--A
A--5--C----20----B
SUFF

(2) Two possibilities
B----20----C--5--A
C--5--A-15-B
INSUFF
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