BrainBashers - Random Puzzles

Puzzle 13

At the annual BrainBashers puzzle discussion conference, 20 people attended.

At the start of the conference, each person shook hands with every other person, how many handshakes took place in total?

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Puzzle 14

Which four animals have been mixed up below:

but rare odes came bit

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Puzzle 15

Which of the shapes are identical to the first one?

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Puzzle 16

Using the letters AAEEIIMMPPTT complete this grid. The grid reads the same across as down.

Note: this puzzle is not interactive, and the squares cannot be clicked.

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