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A certain cylinder with radius, r, and height, h, has the same volume

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 58402
A certain cylinder with radius, r, and height, h, has the same volume  [#permalink]

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New post 17 Jan 2019, 03:39
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

86% (01:09) correct 14% (01:12) wrong based on 17 sessions

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Joined: 18 Aug 2017
Posts: 5014
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
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Re: A certain cylinder with radius, r, and height, h, has the same volume  [#permalink]

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New post 17 Jan 2019, 06:47
Bunuel wrote:
A certain cylinder with radius, r, and height, h, has the same volume as a cube with edge, e. If the radius of the cylinder equals the edge of the cube, what is h, in terms of e?

A eπ

B e^2*π

C e^5*π

D e/π

E e^2/π


pi * r^2 * h = e^3
given r= e
so pi * e^2 * h = e^3
so h = e/pi
IMO D
GMAT Club Bot
Re: A certain cylinder with radius, r, and height, h, has the same volume   [#permalink] 17 Jan 2019, 06:47
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A certain cylinder with radius, r, and height, h, has the same volume

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