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A Truly Gifted Teacher?

Category:Situation
Submitted By:jazzmusician46
Fun:**** (3.19)
Difficulty:*** (2.41)



Many 'Situation Puzzles' are not designed to be answered by themselves. The idea is for one person to know the answer and other people in a group to try and guess it using yes or no questions. The first person to get the answer is the winner.
Last week, the local Primary school was visited by the Government School Inspector who was there to check that teachers were performing well in their respective classes.

He was very impressed with one particular teacher. The Inspector noticed that each time the class teacher asked a question, every child in the class put up their hands enthusiastically to answer it.

More surprisingly, whilst the teacher chose a different child to answer the questions each time, the answers were always correct.

Why would this be?

Answer:

The children were instructed to ALL raise their hands whenever a question was asked. It did not matter whether they knew the answer or not.

If they did not know the answer, however, they would raise their LEFT hand.

If they knew the answer, they would raise their RIGHT hand.

The class teacher would choose a different child each time, but always the ones who had their RIGHT hand raised.

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