AEFHIJLPRSUVWThese brain teasers rely on your ability to recognize groups of common attributes. For each of these puzzles you'll need to figure out why the words or letters are grouped as they are. Sometimes you will be asked to pick the odd-one-out or to place a new word into the correct group.
The letters of the alphabet have been split into two groups. In which group would you put the letter Z?
HintS.O.S. This teaser is hard.
AnswerThe letters in group 1 are those whose Morse code starts with a dot. The letters in group 2 start with a dash. Z belongs in group 2 because its Morse code is "--..".
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