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# If the solid above is half of a cube, then volume of the solid is

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Math Expert
Joined: 02 Sep 2009
Posts: 52284
If the solid above is half of a cube, then volume of the solid is  [#permalink]

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08 Jan 2019, 04:11
00:00

Difficulty:

55% (hard)

Question Stats:

43% (01:02) correct 57% (00:58) wrong based on 35 sessions

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If the solid above is half of a cube, then volume of the solid is

A. 16
B. 32
C. 42
D. 64
E. $$64\sqrt{2}$$

Attachment:

2019-01-08_1609.png [ 18.29 KiB | Viewed 359 times ]

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Joined: 18 Aug 2017
Posts: 1223
Location: India
Concentration: Sustainability, Marketing
WE: Marketing (Energy and Utilities)
Re: If the solid above is half of a cube, then volume of the solid is  [#permalink]

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08 Jan 2019, 04:21
Bunuel wrote:

If the solid above is half of a cube, then volume of the solid is

A. 16
B. 32
C. 42
D. 64
E. $$64\sqrt{2}$$

Attachment:
2019-01-08_1609.png

from given fig we can determine that the side of cube would be 4

vol of complete cube = 64
since the sold is half of cube so its vol = 32.. IMO B
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Veritas Prep GMAT Instructor
Joined: 16 Oct 2010
Posts: 8790
Location: Pune, India
Re: If the solid above is half of a cube, then volume of the solid is  [#permalink]

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08 Jan 2019, 06:49
Bunuel wrote:

If the solid above is half of a cube, then volume of the solid is

A. 16
B. 32
C. 42
D. 64
E. $$64\sqrt{2}$$

Attachment:
2019-01-08_1609.png

How can a half cube look like the given figure? When it is cut across the diagonals of two parallel faces, you get this kind of a figure. The length of the diagonal of the cube is $$4*\sqrt{2}$$. So the length of the side is 4 (since the sides of a 45-45-90 triangle are in the ratio $$1:1:\sqrt{2}$$)

Volume of cube = 4^3 = 64

Volume of half cube (solid shown in the figure) is 32

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Karishma
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Joined: 25 Dec 2018
Posts: 15
Re: If the solid above is half of a cube, then volume of the solid is  [#permalink]

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08 Jan 2019, 20:06
Bunuel wrote:

If the solid above is half of a cube, then volume of the solid is

A. 16
B. 32
C. 42
D. 64
E. $$64\sqrt{2}$$

Attachment:
2019-01-08_1609.png

Re: If the solid above is half of a cube, then volume of the solid is &nbs [#permalink] 08 Jan 2019, 20:06
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