GMAT Prep DS Question 2... Confusion
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- dhanda.arun
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I think the best approach to such questions is to draw a number line
AC = 5, BC = 20
C between A and B?
(1)
AB=25
on the Number line:
A.....5....C.....................20........B
Only in such case you will get AB = 25, so c between A and B
SUFF
(2)
A to the left of B
can be
C....5......A...........15.......B
or
A.....5....C.....................20........B
INSUFF
A
AC = 5, BC = 20
C between A and B?
(1)
AB=25
on the Number line:
A.....5....C.....................20........B
Only in such case you will get AB = 25, so c between A and B
SUFF
(2)
A to the left of B
can be
C....5......A...........15.......B
or
A.....5....C.....................20........B
INSUFF
A