Column A The number of ... ...

Column A

 

Column B

The number of distinct elements
common to set A and set B

The number of distinct elements in
set A that are not in set B


(A) Column A is larger
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Problem Set Z: Counting

 
Replies to This Thread: 1 | ----
        Column A The number of ... ... 
Posted: 10/11/2013 14:22
This question says distinct elements, but nothing about repeated elements. Both columns do not ask about distinct elements but elements in general. The answer should be D.
Contributor
Reply 1 of 1
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Posted: 11/01/2013 14:51
Jeremy, maybe the problem could have been clearer by saying in the setup: "There may be elements in B that are common to A."