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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
For the 64 cubes in the figure above, there is an 8 on each of the fac
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09 Apr 2022, 03:00
09 Apr 2022, 03:00
1
Expert Reply
00:00
Question Stats:
71% (02:18) correct
28% (01:53) wrong based on 7 sessions
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For the 64 cubes in the figure above, there is an 8 on each of the faces not shown. If horizontal layer L is rotated 90° so that its front appears on the left side of the figure and then vertical layer R is rotated 90° so that its top appears on the front of the figure, the sum of the numbers on the front of the figure will be
A. 86
B. 93
C. 97
D. 103
E. 106
Retired Moderator
Joined: 16 Apr 2020
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Posts: 1546
Given Kudos: 172
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Re: For the 64 cubes in the figure above, there is an 8 on each of the fac
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06 May 2022, 01:02
06 May 2022, 01:02
1
GeminiHeat wrote:
For the 64 cubes in the figure above, there is an 8 on each of the faces not shown. If horizontal layer L is rotated 90° so that its front appears on the left side of the figure and then vertical layer R is rotated 90° so that its top appears on the front of the figure, the sum of the numbers on the front of the figure will be
A. 86
B. 93
C. 97
D. 103
E. 106
(Refer to the figure below)
Sum of the numbers on the front of the figure = 6(9) + 7(4) + 8(3) = 54 + 28 + 24 + 106
Hence, option E
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General Discussion
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
Re: For the 64 cubes in the figure above, there is an 8 on each of the fac
[#permalink]
14 Apr 2022, 02:13
14 Apr 2022, 02:13
1
Expert Reply
After the first rotation we have:
6 6 6 6
8 8 8 8
6 6 6 6
6 6 6 6
After the second rotation we have:
6 6 7 6
8 8 7 8
6 6 7 6
6 6 7 6
Total = 106.
Answer = E.
6 6 6 6
8 8 8 8
6 6 6 6
6 6 6 6
After the second rotation we have:
6 6 7 6
8 8 7 8
6 6 7 6
6 6 7 6
Total = 106.
Answer = E.
