Bill Gates is about to give 3 distinct awards, 1 each, to 3 different
distinguished developers. He needs to hand 1 award to each developer and
then shake the developer's hand. However, all 4 people involved in this
ceremony have a separate disease. If Bill shakes Developer 1's hand
(without protection), Bill will contract Developer 1's disease and
Developer 1 will contract Bill's disease (and so on for all of the
others). The only protection Bill has available at this ceremony is a
pair of normal, plain gloves. The ceremony cannot be delayed and Bill
must think of a quick solution before he embarrasses himself. Given this
information, how can Bill proceed?
Answer:
1. Wear one glove on another, and shake hand with first developer.
2. Remove the first glove and shake hand with the second developer.
3. Now, reverse the first glove and wear it on the second glove, and shake hand.
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