TWO SURGICAL GLOVES, THREE PATIENTS
A one-armed surgeon needs to operate on three patients, one after another. But the surgeon has only two individual surgical gloves. How can the surgeon operate on the three patients in turn without risking infection for the patients or for himself?
Hint: Gloves are reversible.
The solution starts with the surgeon putting on two gloves, one over the other. She then operates on patient number 1. Then the surgeon removes the outermost glove, leaving the other one on. She now operates on patient number 2. Finally the surgeon takes the glove discarded from the surgery with patient number 1, reverses it, and puts it on over the remaining glove. She can then operate on patient number 3.
Solution: Put on two gloves, one over the other, and then reverse the first glove.
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