Brain Teasers
Disappearing Note
Situation
Situation puzzles (sometimes called lateral thinking puzzles) are ones where you need to ask lots of yes or no questions to figure out what happened in the situation. These are good puzzles for groups where one person knows the puzzle and answers the questions.Situation
A girl was writing a note in math class. On her desk were a pencil, a protractor, a blank sheet of paper, and a calculator. The teacher came near and looked for evidence that she wasn't paying attention, but could not find any. There was nothing in her pockets, desk, etc. She was guilty of writing the note. How did she get away with it?
Hint
Think about the items on her desk.Answer
The calculator was a graphing one. Most graphing calculators have a function that allows you to type letters. She had been typing out a message on it, and hit clear when the teacher was coming.Hide Hint Show Hint Hide Answer Show Answer
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