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x is what percent of y percent of z

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x is what percent of y percent of z

by BTGmoderatorRO » Sat Feb 17, 2018 12:26 pm
x is what percent of y percent of z, in terms of x, y and z?

(A) 100xy/z
(B) 100yz/x
(C) 100yz/x
(D) 10000x/yz
(E) 10000yz/x

OA is D
What logical approach could be used here? An Expert should please reply me.
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by Jeff@TargetTestPrep » Thu Feb 22, 2018 5:03 pm
Roland2rule wrote:x is what percent of y percent of z, in terms of x, y and z?

(A) 100xy/z
(B) 100yz/x
(C) 100yz/x
(D) 10000x/yz
(E) 10000yz/x
We can let p be the percentage. Thus, we have

x = p/100 * y/100 * z

x = pyz/10000

x*10000/yz = p

Answer: D

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