Previous & solved Abradaca-Brain Puzzles: 13 & 14A

Giochi per la mente risolti - Jeux de l'esprit résolus - Juegos de ingenio resueltos
by Gianni A. Sarcone & Marie-Jo Waeber
Multilingual clever mind puzzles!

 Abracada-Brain puzzles™ Tone & Expand Your Mind With Fun Brainteasers Puzzle # 13A |Logic | Difficulty level: Diabolical 5 FIVES 5 ? 5 ? 5 ? 5 ? 5 = 24 Replace the ?’s above with any of these four operating symbols: x, +, - , and :, in order to make the equation correct. Example: (5 x 5 x 5 - 5) : 5 = 24. Easy? Not really! 5 ? 5 ? 5 ? 5 ? 5 = 24 Sostituisci i punti interrogativi con i simboli operativi seguenti: x, +, - , e :, in modo che l'equazione risulti giusta. Esempio: (5 x 5 x 5 - 5) : 5 = 24. Facile? Non proprio! Suggerisci una risposta Chiudi 5 ? 5 ? 5 ? 5 ? 5 = 24 Remplace les points d'interrogation avec les symboles d’opérations mathématiques: x, +, - , e :, de sorte que l’équation soit juste. Exemple: (5 x 5 x 5 - 5) : 5 = 24. Facile? Pas vraiment! Propose une solution Fermer 5 ? 5 ? 5 ? 5 ? 5 = 24 Representa el numero 24, usando para ello cinco cincos y algunos símbolos para las operaciones básicas: 'x', '+', '-' , y ':'. Ejemplo: (5 x 5 x 5 - 5) : 5 = 24. ¡No es fácil! Sugiere una solución Cerrar Source of the puzzle: © G. Sarcone, Archimedes Laboratory. Please report any error, misspelling or dead link. Thanks!

 Solution To puzzle 13A Diabolical 5 Fives 5 x (5 - (5 : 5 : 5)) = 24 Strangely enough, very few people can find this solution!

Puzzle # 14A | Lateral thinking | Difficulty level:

What happens if Pinocchio says that his nose is about to grow, knowing that it actually grows ONLY when he is telling a lie? Explain your argument(s).

Source of the puzzle: © G. Sarcone, FantaLogica.