GMAT Problem Solving (PS) | Re: If x = y/2 and y = z/2, then (x/z)^(1/2) =

Since\(x = \frac{y}{2}\)
\(y = \frac{z}{2}\) or z=2y

Now,\(\sqrt{\frac{x}{z}}\)
=\(\sqrt{\frac{y}{2}*\frac{1}{2y}}\)
=\(\sqrt{\frac{1}{4}}\)
=\(\frac{1}{2}\) (Option D)
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