New posts in Puzzle

What is the relationship between 1/7, 1/11, 1/13, and the number 1001?

Expected number of wrong seats on plane

In a village, $90\%$ of people drink Tea, $80\%$ Coffee, $70\%$ Whiskey, $60\%$ Gin. Nobody drinks all four. What percentage of people drinks alcohol?

An invisible ghost jumping on a regular hexagon

A generalization of the airplane seating puzzle

Hat 'trick': Can one of them guess right?

Can all arbuzoids assume the same color?

Is the aim of this Tic-Tac-Toe puzzle possible to achieve?

Which jigsaw pieces fit to make a create a square?

$n$ bugs moving in a line