I dont agree with the OA.IMO ans is option A
From 1
W>2 and wz<2..this is possible only when z<1 for all other z,WZ>2...sufficient
From 2
z<2..no information about w
Let w=1 and z=1..so wz=1 <2
w=1 z=3/2..so wz=3/2 <2
w=1 z=1/2..so wz=1/2 <2
no conclusion can be drawn whether z<2...not sufficient.
Can you please provide the official explanation.may be I am missing something.
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Source: Beat The GMAT — Data Sufficiency |
I go with A as well.
Unless the question says w and z are positive integers...only then...can it be D
Unless the question says w and z are positive integers...only then...can it be D
