So the method may not always tell you if a number is a perfect square, but it will definitely help you rule out many possibilities.#Puzzle 148.1A century ago, the English puzzler Henry Ernest Dudeney ...

The grid in the centre square has a 2x2 layout, which means there are four additional squares. This should bring the total number of squares to 13, if you include the middle one of course.

The Missing Square Puzzle shows our rendition of a popular geometric conundrum. First, you see a right triangle made of four distinct shapes. Then, these are moved around to fit into the same ...

Lok Digital is a strange puzzle game that’s available now on iOS, Android, and Steam.

#174 Pieces of eight I have a 12-hour digital number display alarm clock. As is normal on digital clocks, each of its four digits is constructed using seven possible segments. I go to bed when the ...

One user confidently wrote, “It’s a classic 3x3 magic square. The missing number has to be 6!” Another user chimed in with, “These puzzles never fail to twist my brain.

Why is an organization spreading puzzle pieces across TA's Rabin Square? "The First Social Puzzle," will be held on Sunday and Monday to raise money for ALUT's annual fundraiser.

Brain Teaser Puzzle: In this puzzle, try to count the number of squares on the chessboard. Can you solve this puzzle in 60 seconds?