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Math
John has 12 clients and he wants to use color coding to identify each client. If either a single color or a pair of two different colors can represent a client code, what is the minimum number of colors needed for the coding? Assume that changing the color order within a pair does not produce different codes.
A. 24
B. 12
C. 7
D. 6
E. 5
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
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Verbal
B. The development of a new type of manufacturing – called 3-D printing or additive manufacturing – will involve futuristic printing machines that can replicate 3-D images and that can lower costs considerably by greatly expanding where products can be made and who can make them.
C. The development of a new type of manufacturing, which is called 3-D printing or additive manufacturing, will involve futuristic printing machines that can replicate 3-D images and that can lower costs considerably by greatly expanding where products can be made and who can make them.
D. A newly developed type of manufacturing called 3-D printing, or additive manufacturing, involves futuristic printing machines that can replicate 3-D images, and this will lower costs considerably by greatly expanding who and where products can be made.
E. A newly developed type of manufacturing called 3-D printing, or additive manufacturing, involves futuristic printing machines that can replicate 3-D images and that will lower manufacturing costs considerably by expanding where products can be made and who can make them.
Correct Answer - E - (click and drag your mouse to see the answer)
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