It might not seem like there's enough information to solve these logic puzzles at first—but that's part of the fun!

So, the chance of drawing a white counter on the second draw is two out of three. Container Logic Puzzles Carroll’s puzzle was the likely inspiration for a genre called “container logic ...

logic and number puzzles by Fraser Simpson, creator of The Globe and Mail’s cryptic crossword. You can play the giant crossword online below. To play at home, print off the PDFs below or pick up ...

Test your mental mettle with this brain-twisting assortment of word, logic and number puzzles by Fraser Simpson, creator of The Globe and Mail’s cryptic crossword.