By Ariel Marcy, 18 December 2024
Double Helix Extra readers really got busy with brainteasers in 2024! Let’s do a count down of your top 5…
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By Ariel Marcy, 13 August 2024
In this puzzle, each Aussie animal stands for a number. Each animal represents the same number throughout the puzzle. Can you use the first three mathematical equations to figure out the answer to the last equation?
