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Source: — Data Sufficiency |
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by MakeUrTimeCount » Thu Jan 26, 2012 6:09 am
Here you have not mentioned the order of the points. But I assume them in a sequential order (from left to right)

A B C D E F

AC = AB + BC
DF = DE + EF

1) AB < DE Insufficient
2) BC > EF Insufficient
Using both,
We still don't know which side is greater.
If AB = 2, DE = 4 and BC = 2 , EF = 1 then AC < DF
If AB = 2, DE = 4 and BC = 6 , EF = 1 then AC > DF
Insufficient (Ans E)
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by ArunangsuSahu » Thu Jan 26, 2012 12:16 pm
Statement 1: Insufficient. No Information about B or F
Statement 2: Insufficient No Information about A or D

Combining AB+BC=AC
and DE+EF=DF but Still No Conclusion
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