brain-teaser-surgeon

There are several doctors sitting in a conference room.
14 of the doctors in the conference room are surgeons. 8 doctors in the conference room are wearing blue shirts. 2 of the doctors are neither surgeons or wearing blue shirts. If 5 of the doctors are surgeons who are wearing blue shirts, how many doctors are in the conference room?

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Answer:  19

(14-5) + (8-5)+ 5 +2 = 19




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