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Posts Tagged ‘venn diagrams

The Halls and the Oateses

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Try your hand at this question:

Two family reunions are happening at the same hotel, the Oates reunion and the Hall reunion. All 100 guests at the hotel attend at least one of the reunions. If 40 people attend the Oates reunion and 62 people attend the Hall reunion, how many people attend both reunions?

(A)  2
(B)  5
(C)  10
(D)  16
(E)  22

Answer after the jump.

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Written by Knewton

November 6, 2009 at 4:01 PM