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I have 4 blacks and 4 white cubes of equal size. In how many different ways can they be put together to form a 2x2x2 cube?(Two cubes are not considered different if they can be rotated to look the same) -10marks

Vikas TU , 11 Years ago
Grade 12th Pass
anser 2 Answers
Yash Baheti
There will be two layers of cube each containing 4 cubes.

Situation 1: If the upper layer has 4 black cubes the lower layer will have 4 white cubes.
Situation 2: If the upper layer has 3 black and 1 white cubes the lower layer will have 3 white and 1 black cubes.
Situation 3: If the upper layer has 2 black and 2 white cubes the lower layer will have 2 white and 2 black cubes.
There is no more other situatuons as the opposite side will resemble the above situation. Thus, there are 3 ways
You need not worry about the configuration of the side faces as either one of the face will resemble the original configuration when changed in any way.
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Last Activity: 11 Years ago
TEJKIRAT SINGH
here will be two layers of cube each containing 4 cubes. 
Situation 1: If the upper layer has 4 black cubes the lower layer will have 4 white cubes. 
Situation 2: If the upper layer has 3 black and 1 white cubes the lower layer will have 3 white and 1 black cubes. 
Situation 3: If the upper layer has 2 black and 2 white cubes the lower layer will have 2 white and 2 black cubes. 
There is no more other situatuons as the opposite side will resemble the above situation. Thus, there are 3 ways 
You need not worry about the configuration of the side faces as either one of the face will resemble the original configuration when changed in any way.
ApprovedApproved
Last Activity: 11 Years ago
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