Ranked #1
Weighted Puzzle
Weighted Puzzle
What four weights would enable me to use the balance scales to weigh any object from 1 to 40 pounds?
1 Jul 2022
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11mins
Ranked #2
Alphabetical Numbers
Alphabetical Numbers
Arange all the natural numbers in alphabetical order - which number comes second?
1 Jun 2022
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10mins
Ranked #3
Strange Dice
Strange Dice
Number the faces of the cubes to make strange dice with a minimum face sum.
1 May 2022
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11mins
Ranked #4
Leaving Transumvania
Leaving Transumvania
Find where the drone catches up with the ship given their relative speeds.
1 Apr 2022
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7mins
Ranked #5
Rolling Dice
Rolling Dice
Find a nice method to work out which number on the dice is uppermost after rolling across a chess board.
1 Mar 2022
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10mins
Ranked #6
Sisters Outnumber Brothers
Sisters Outnumber Brothers
Work out the total number of children in Rachel's family using the clues about brothers and sisters.
1 Feb 2022
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13mins
Ranked #7
Time and Calendars
Time and Calendars
How many times in a 24 hour period do all four digits on my bedside clock change at the same time?
1 Jan 2022
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10mins
Ranked #8
Santa's Small Window
Santa's Small Window
How do you increase the area of a window without changing its height or width?
1 Dec 2021
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8mins
Ranked #9
How Much Richer?
How Much Richer?
A puzzle about the relative wealth of Maureen compared to Doreen.
1 Nov 2021
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10mins
Ranked #10
Factor Shopping
Factor Shopping
Find the prices of the items bought if they are different and all factors of the total bill.
1 Oct 2021
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11mins