GMAT Challenge Question: Your Opponent is the Exponent

It’s time again for another Veritas Prep Challenge Question. Once again you’ll find that exponents will play a fairly significant role in this question. Stay tuned to the GMAT Tip of the Week post tomorrow for an explanation of this question and a quick checklist for everything you need to know about GMAT exponents.

For integers x, y, and z, if (3^x) (4^y) (5^z) = 3,276,800,000 and x + y + z = 15, what is the value of xy/z?

(A) undefined
(B) 0
(C) 3
(D) 5
(E) 15

Please submit your answers in the comments field, and check back tomorrow morning for an explanation and some critical exponent strategies.

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