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Puzzle 5
What is missing in this sequence:
8 · 10 · 14 · 18 · ? · 34 · 50 · 66
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Puzzle 6
Can you make this equation correct by moving exactly one matchstick?

Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:
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Puzzle 7
What can go up a chimney down …
… but can't go down a chimney up?
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Puzzle 8
Can you find the country hidden in the following paragraph:
As managers, we deny all involvement in the unscrupulous dealings that have come to light in the recent interdepartmental investigation.