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01 Jul 2022, 13:15
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
58% (02:04) correct
42%
(02:20)
wrong
based on 55
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A cuboid (rectangular solid) has a volume of n cubic feet and a ratio of length to width to height of 4 : 3 : 2. In terms of n, which of the following equals the length of the cuboid, in feet?
A. \(\sqrt[3]{\frac{n}{8}}\)
B. \(2*\sqrt[3]{\frac{n}{3}}\)
C. \(\frac{1}{2}*\sqrt[3]{\frac{n}{3}}\)
D. \(\sqrt[3]{\frac{n}{3}}\)
E. \(8*\sqrt[3]{\frac{n}{3}}\)
A. \(\sqrt[3]{\frac{n}{8}}\)
B. \(2*\sqrt[3]{\frac{n}{3}}\)
C. \(\frac{1}{2}*\sqrt[3]{\frac{n}{3}}\)
D. \(\sqrt[3]{\frac{n}{3}}\)
E. \(8*\sqrt[3]{\frac{n}{3}}\)
01 Jul 2022, 15:05
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Powers and rites rules are important to be agile at the GMAT
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01 Jul 2022, 21:11
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Bunuel
n?!?!? Why would we work in terms of n when we could just plug in dimensions? Let's just make them 4x3x2. The volume is 24. n = 24. Length = 4.
Check the answer choices.
A. \(\sqrt[3]{3}\) Nope.
B. \(2*\sqrt[3]{8}\) Keep it.
C, D, and E are just different multiples of \(\sqrt[3]{8}\) Nope.
Answer choice B.
