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Puzzle 5 


Find three common nine letter words that can be formed on an upside-down calculator.

Assuming you have one of the old-fashioned calculators that can show 9 digits!

What is the longest word which could be formed?

Puzzle Copyright © Kevin Stone

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Puzzle 6 


Trade Convention #2Logic Puzzles

Workers with the surnames Butcher, Baker, Carpenter and Plumber are currently attending an annual convention.

No-one is currently, nor ever has been in the same profession as their name and no-one has had the same profession twice.

Alan is now a butcher, whereas Mr Brian Butcher used to be a baker.
The person who is now a carpenter used to be a butcher.
Charles has never been a baker, Mr Darren Carpenter has never been a butcher and Mr Baker is not now a carpenter.
Can you determine their full names, along with their current and previous professions?

Puzzle Copyright © Kevin Stone

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Puzzle 7 


I recently went to the shop and purchased 4 items.

Three of the items cost:
$1.50
$3.00
$4.00

There was quite a long queue, and as I was quite bored, I was playing with my pocket calculator while I waited.

Very curiously, the 4 prices added to the same number as I got when I multiplied the 4 prices together.

What was the price of the 4th item?

Puzzle Copyright © Kevin Stone

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Puzzle 8 


Hot is to freeze as

   ? is to melt?

Puzzle Copyright © Kevin Stone

workings hint answer print