Monthly Archive - December 2014brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
Which is a winning combination of digits?The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Calculate the number 6191NUMBERMANIA: Calculate the number 6191 using numbers [9, 3, 4, 1, 58, 472] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
A woman rushes into the foyer of a large hotel and sprints up to reception, she hammers on the bell.
Yes, says the receptionist irritably.
Excuse me, says the woman, but I'm in a frightful hurry, could you check me out, please?
The clerk stares at her, looks her up and down.Not bad, he smiles, not bad at all.