Shakuntala Devi Logical Reasoning Book -

If you want an , here’s one: Puzzle: The Three Boxes of Fruits There are three boxes , each labeled incorrectly.

You are allowed to (without looking inside) — and from that single observation, you must correctly determine the contents of all three boxes. shakuntala devi logical reasoning book

It sounds like you’re referring to or her classic More Puzzles to Puzzle You – both of which are famous for logical reasoning, math puzzles, and lateral thinking problems . If you want an , here’s one: Puzzle: