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Random Puzzles 


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Puzzle 201 


What number comes next in this sequence:

1 · 4 · 11 · 20 · 31 · 44 · ?

Puzzle Copyright © Kevin Stone

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Puzzle 202 


Place letters into the grid such that every row, column, and 2 x 2 block has letters (in any order) that form a common word. Each letter is only used once, and no letter is repeated in the rows / cols / blocks.

Letters allowed: C O L U M B U S

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

Puzzle Copyright © Alan Stillson and Frank Longo

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Puzzle 203 


A very long time ago, at the beginning of the week, I was given some money for my birthday.

On Monday, I spent a quarter of the money on clothes.

On Tuesday, I spent one third of the remaining money on music.

On Wednesday, I spent half of the remaining money on games.

Finally, on Thursday, I spent the last £12.50 on a book.

How much birthday money did I receive?

Puzzle Copyright © Kevin Stone

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Puzzle 204 


In this sequence of planets, can you work out why they are listed in this order?

Jupiter, Saturn, Uranus, Neptune, Earth, Mars, Mercury, Venus.

Puzzle Copyright © Kevin Stone

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