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Random Puzzles 


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Puzzle 1 


Trade Convention #1all logic puzzles

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

No-one is currently, nor has ever been, in the same occupation as their name, and no-one has had the same occupation twice.
Charlie has never been a carpenter, and Mr Teacher is now a plumber.
Davie used to be a teacher, but Mr Billie Baker never has.
Mr Plumber is not called Eddie, and Mr Carpenter wasn't previously a teacher.
The previous occupations were all different, and the current occupations are all different.
Can you determine the full names of each of the attendees, along with their current and previous occupation?

Puzzle Copyright © Kevin Stone

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Puzzle 2 


Start in the bottom left corner and move either up or right, one square at a time, adding up the numbers. What is the largest total you can make?

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

Puzzle Copyright © Kevin Stone

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Puzzle 3 


Paintballing Weekendall logic puzzles

During an exciting weekend of paintball, four friends were having great fun.

The paintballs came in blue, green, yellow and red.

Coincidentally, the four friends had T-shirts in those same colours.

Billie used blue paintballs.
The person in the green T-shirt used yellow paintballs.
Charlie was not wearing a red T-shirt.
Drew used green paintballs and wore a blue T-shirt.
Alex was the only person who used paint which was the same colour as their T-shirt.
Can you tell which colour paint they each used and the colour of their respective T-shirts?

Puzzle Copyright © Kevin Stone

workings hint answer print

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Puzzle 4 


At midnight at the start of January 1st, Professor Stone set two old-fashioned clocks to the correct time.

One clock gains one minute every hour, and the other clock loses two minutes every hour.

When will the clocks next show the same time as each other?
When will the clocks both show the correct time?

Puzzle Copyright © Kevin Stone

workings hint answers print