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For integers x and y , ifx=y/6+1 , is xy even?
2. y/x is not odd.....
x=y/6+1... y=(6x-6)....so y = 0 or any multiple of 6
i think this itself is efficient.....
what does one do with the two statements, they don't mean anything as xy is even w/o even considering them
its a q from gmat club tests