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 trip to the movies...
For the first time in many years, an old man traveled from his rural town to the city to attend a movie.
After buying his ticket, he stopped at the concession stand to purchase some popcorn. As he handed the attendant $1.50, he couldn't help but comment, "The last time I went to the movies, popcorn was only 15 cents."
"Well, sir," the attendant replied with a grin, "You're really going to enjoy yourself this evening. We have sound now."