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Puzzle 1
Painter Pete did such a good job of the housing estate, he was asked to paint the room numbers on all of the doors of the fourth floor of the local hotel.
Pete painted all of the numbers from 400 to 499.
How many times did he paint the number 4?
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Puzzle 2
Which fruit comes next in this sequence:
banana · pear · kiwi · tomato · ?
Choose from:
peach, lemon, plum, guava
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Puzzle 3
Which of the shapes is identical to the first one?
There might be more than one.
Puzzle Copyright © Robert A. Hartmann
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Puzzle 4
What number comes next in the sequence:
11 · 13 · 17 · 31 · 37 · 71 · 73 · 79 · 97 · ?