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Source: — Data Sufficiency |
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by priyankamishra11 » Mon Sep 08, 2008 6:45 am
You can break wx^2 as wx * x
now you know from the staement that wx = y. So, replace it.
y*x= 16 . Hence 1 is Sufficient.

But statement 2 only gives value of y, Thus it is not sufficient.

Therefor answer is A

Hope i am clear.
Regards,
Priyanka
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