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Puzzle 57 


What is the only number not found in the Roman numerals system?

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Puzzle 58 


At the equator the radius of the earth is 6,378 km, so its circumference is almost exactly 40,000 km.

Imagine we had a long rope which went around the equator, this would of course be 40,000 km long.

If we now placed 1 metre sticks vertically all the way around and lay the rope on top of these sticks (so the rope would be 1m higher all the way around) how much extra rope would we require?

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Puzzle 59 


Below, 10 nine-letter words have been broken into chunks of three letters.

The chunks have been moved around, no chunk is used twice, and all of the chunks are used.

Can you determine what the 10 words are?
rbr ent ard man tor rbo
and ban con erf dst dli
fly spa dra dif hai ght
per all fis ove ush hea
new gon fer wat her duc

Puzzle Copyright © Kevin Stone

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Puzzle 60 


Can you find the hidden nine-letter word in this grid?

Starting with any letter move in any direction, including diagonally. The letters of the word are in the correct order.
T U D T
L I C I
T I F D
D F F I

Puzzle Copyright © Kevin Stone

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