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Puzzle 5 

After a recent marathon, the following was noted.

Alex finished after Frankie. Drew finished after Hayden. Frankie finished after Billie. Hayden finished before Alex. Billie finished after Hayden. Billie finished before Alex. Frankie finished before Drew. Alex finished before Drew.
Who finished where?

Puzzle Copyright © Kevin Stone

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Puzzle 6 

This BrainBashers safe has a rather unusual control panel.

In order to open the safe, you have to press every single square once only, in the correct sequence, ending on the square marked E.

Each square indicates which square to press next, for example, 2U means move up 2 squares and 3R means move right 3 squares.

Can you determine which square you must start with?

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

Puzzle Copyright © Kevin Stone

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Puzzle 7 

In each of these sentences, can you replace the missing number.

The number is written as a word (e.g. five, twenty-four, thirty-three), and each sentence is correct after the replacement.

This sentence contains ? letters, one hyphen, two commas and a full stop.
Interestingly, this sentence contains ? letters, one hyphen, three commas and the final full stop.
Finally, this sentence contains ? letters, one hyphen, three commas and one full stop.

Puzzle Copyright © Kevin Stone

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Puzzle 8 

Find two words, which are anagrams of each other, which complete this sentence:

Due to a recent outbreak of a ? infection in the zebra house, the local animal sanctuary had to ? their electron microscope correctly, to ensure rapid detection.

Puzzle Copyright © Kevin Stone

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