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Puzzle 197 


Sam takes 20 days to build a wall.

Taylor and Kelly each take 10 days to build a wall.

How long will it take the three of them to build a wall if they work together?

Puzzle Copyright © Kevin Stone

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Puzzle 198 


By changing the second letter of each word below, you can make another valid word.

Can you change each word such that the second letters will reveal an eleven-letter word when read downwards?

Therefore, what now reads 'vokahliuppw' will become a real word.
oval post skin malt when slab miss fund aped sped sway

Puzzle Copyright © Kevin Stone

workings hint answers print

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Puzzle 199 


What number comes next in this sequence:

7 · 8 · 5 · 5 · 3 · 4 · 4 · ?

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Puzzle 200 


Can you find the country hidden in the following sentence:

During the recent BrainBashers aquatic contest, the walrus struggled to finish, the sea lion finished second, and the penguin easily won!

Puzzle Copyright © Kevin Stone

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