BrainTwisters
Your weekly dose of logical and mathematical puzzling.
BrainTwister
BrainTwister #19: Angular arrangements
8 May 2024
BrainTwister
BrainTwister #18: The arithmetical two鈥憇tep
1 May 2024
BrainTwister
BrainTwister #17: Semi-one numbers
24 April 2024
BrainTwister
BrainTwister #16: Order, order!
17 April 2024
BrainTwister
BrainTwister #15: Domino strips
10 April 2024
BrainTwister
BrainTwister #14: Factor graphs
3 April 2024
BrainTwister
Brain Twister #13: Number Venns
27 March 2024
BrainTwister
Brain Twister #12: Factorial factory
20 March 2024
BrainTwister
BrainTwister #11: Club shuffling
13 March 2024
BrainTwister
BrainTwister #10: Chairs in pairs
6 March 2024
BrainTwister
BrainTwister #9: Rectangulator
28 February 2024
BrainTwister
BrainTwister #8: Two cubes
21 February 2024
BrainTwister
BrainTwister #7: Home primes
14 February 2024
BrainTwister
BrainTwister #6: Factor factory
7 February 2024
BrainTwister
BrainTwister #5: Diagonal lines
31 January 2024
BrainTwister
BrainTwister #4: Addition subtraction
24 January 2024