Number 3025 is interesting mathematically because it is a perfect square. Additionally, it has a peculiar property: if you split it into two parts, 30 and 25 you get: 30+25= 55 and 30^2+25^2= 55^2=3025 Find another number with similar property.
Chess Puzzles: Mate in Two
All are Mate in 2
Chess Puzzle
Incredible puzzle composed by Leonid Kubbel in 1907 White to move and mate in 2! ✅
Chess Puzzle
White to play and mate in 2 moves
Puzzle: A King, 1000 Bottles of Wine, 10 Prisoners and a Drop of Poison
A King, 1000 Bottles of Wine, 10 Prisoners and a Drop of Poison a mathematical riddle The King of a small country invites 1000 senators to his annual party. As a tradition, each senator brings the King a bottle of wine. Soon after, the Queen discovers that one of the senators is trying to assassinate... Continue Reading →

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