Interactive quizzes / Logic & Wordplay

One Rule Is Wrong

Eight small rule puzzles: spot the one false rule in five rule sets, pick the rule whose removal leaves exactly one solution in two more, then rebuild a finishing order while ignoring a known false rule.

8 tasks3 sectionsabout 5 min

All rule sets, people, numbers and schedules are invented for these puzzles. Each puzzle states every rule you need, and the answers come from logic alone.

Your choices are summarized at the end, and any tasks with right answers are checked separately. Progress is kept in this browser only so you can resume.