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February 27, 2015

February 27, 2015

Posted by **Anonymous** on Sunday, June 26, 2011 at 8:40am.

A = {5, 10, 15, 20}

B = {25, 30, 35, 40}

C = {10, 20, 30, 40}.

Find A ⋂ C.

- math -
**MathMate**, Sunday, June 26, 2011 at 10:32amA∩C is a set all elements of which are present in A

*and*present in C.

For example, if P={1,2,3,4,5} and Q={1,3,5}, then P∩Q={1,3,5} since 1, 3 and 5 are elements of both P and Q.

In the question posted, A∩C should have two elements.

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