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# If the total surface area of a cube is 24, what is the volum

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If the total surface area of a cube is 24, what is the volum [#permalink]  15 Jun 2018, 15:22
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63% (00:20) correct 36% (00:03) wrong based on 11 sessions
If the total surface area of a cube is 24, what is the volume of the cube?

(A) $$8$$

(B) $$24$$

(C) $$64$$

(D) $$48 \sqrt{6}$$

(E) $$216$$
[Reveal] Spoiler: OA

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Re: If the total surface area of a cube is 24, what is the volum [#permalink]  16 Jun 2018, 06:50
Carcass wrote:
If the total surface area of a cube is 24, what is the volume of the cube?

(A) $$8$$

(B) $$24$$

(C) $$64$$

(D) $$48 \sqrt{6}$$

(E) $$216$$

Total surface 6a^2 = 24 then a = 2 ( we'll get -ve and +ve 2 , but only consider +ve as we can't have any -ve side)

Volume = lbh , since this is a cube all sides are equal = 2*2*2 = 8.

A.
Re: If the total surface area of a cube is 24, what is the volum   [#permalink] 16 Jun 2018, 06:50
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