Vertexes of a rectangular solid

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Vertexes of a rectangular solid

by viju9162 » Mon May 18, 2009 2:15 am
Hello Friends,

The question goes like this:

At most how many vertexes of a rectangular solid are there that no any two of the verterxes share the same edge of the solid?

A> 2
B> 3
C> 4
D> 5
E> 6

Thank you.
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by sanju09 » Mon May 18, 2009 4:53 am
There are four such vertices in a rectangular solid such that no two vertices share a common edge. The attachment describes what is not said about it.

Mine [spoiler]C[/spoiler].
Attachments
no common edges.doc
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