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volume of a certain cube

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by GmatKiss » Sat Oct 15, 2011 8:34 am
What is the volume of a certain cube?
(1) The sum of the areas of the faces of the cube is 54.
(2) The greatest possible distance between two points on the cube is 3(root[3])

IMO:D
Last edited by GmatKiss on Sat Oct 15, 2011 8:54 am, edited 1 time in total.
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Source: — Data Sufficiency |
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by shankar.ashwin » Sat Oct 15, 2011 8:38 am
D IMO

PS You havnt mentioned the value of greatest distance
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by mukgera » Sat Oct 15, 2011 10:02 pm
if a = side of the cube
A) 6 * a * a = 54 ---> a = 3 --> Volume = a * a * a --> sufficient
B) Greatest possible distance = root(3) * a = root(3) * 3 ---> a = 3 --> sufficient

IMO D
GmatKiss wrote:What is the volume of a certain cube?
(1) The sum of the areas of the faces of the cube is 54.
(2) The greatest possible distance between two points on the cube is 3(root[3])

IMO:D
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