query:
Utilizing wood cubes of the identical dimension, John created the construction within the three views proven above utilizing as many cubes as doable. John’s sister Anna desires to delete all of the cubes as doable with out altering these three views. What number of cubes can I delete?
(A) None (B) 12 (C) 18 (D) 22 (E) 34
rationalization:
The important thing to fixing this downside is to know the query clearly. The view is created utilizing as many cubes as doable.
To attain the entrance, proper facet and prime views utilizing the utmost variety of cubes, right here is the structure utilized in Lego to get an concept. Use 34 blocks to get this view. That is the utmost variety of blocks used.
In case you take away some cubes, you’re going to get the identical entrance view, proper facet view, and prime view. For instance, I deleted 12 cubes, however they nonetheless have the identical entrance, facet, and prime views. The minimal variety of blocks used to get the identical view is 22 as proven beneath.
Due to this fact, the reply is choice B. You possibly can take away 12 cubes and nonetheless preserve the identical view.
I hope this helps, thanks for studying!
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