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Is XY=1? 1.) XYX=X 2.) YXY=Y

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by puneetkhurana2000 » Fri Dec 14, 2012 12:28 am
Statement 1) XYX=X .. X(XY-1) = 0, IMPLYING X=0 OR XY=1. NOT SUFFICIENT AS XY MAY BE 0 OR 1.

Statement 2) YXY=Y .. Y(XY-1) = 0, IMPLYING Y=0 OR XY=1. NOT SUFFICIENT AS XY MAY BE 0 OR 1.

TOGETHER AGAIN -- XY MAY BE 0 OR 1.

SO ANSWER IS E
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