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Source: — Data Sufficiency |
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by nikhilagrawal » Sun Sep 21, 2008 9:46 am
Is the answer E , Bcos if you are representing a line segment in a X-Y plane , you shld have (X,y) co ordinates for both points C and D
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by arvindm07 » Sun Sep 21, 2008 11:30 am
I think, he means C=(a,1-b) and D=(1-a,b).
If so, the ans is C.
as midpoint is (a+1-a)/2,(1-b+b)/2 = (1/2,1/2)

hence using both we can find the midpoint.
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by nikhilagrawal » Sun Sep 21, 2008 7:12 pm
My ans is E only, we need X and Y co ordinate of each point ie C and D
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by smallsorrow » Mon Sep 22, 2008 12:05 am
the OA is C.

You need to calculate the midpoint...
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