My gripe with sequence puzzles is that they’re open to multiple possible solutions. You could surely cook up some strange mathematical operation that produces the same first five numbers as the ...

His first big scoop ... math--at least until my brain pooped out in college upon reaching differential equations--and Sudoku is just a logic puzzle. Sure, it has numbers, but you could just ...

Infantino’s My First Color Puzzles are a big hit with my 3.5-year-old son, Finn. Spin the ingenious color wheel on one piece to see the color they make when they’re blended, then match it with ...

(Sudoku, created by Howard Garns, originally called “Number Place” and first published in 1979 ... Mr. Beenhakker said, “blows my mind.” A logic puzzle by Serkan Yurekli called ...

This puzzle, which was posted on Oct. 4 ... As The Telegraph noted, "All you need to do with the first two numbers on each line is to: Multiply/add/subtract. So on the first line: 8 x 2 = 16 ...