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.
Increase the donation
The crumbling, old church building needed remodeling, so the preacher made an impassioned appeal, looking directly at the richest may in town. At the end of the message, the rich man stood up and announced, "Pastor, I will contribute $1,000."
Just then, plaster fell from the ceiling and struck the rich man on the shoulder. He promptly stood again and shouted, "Pastor, I will increase my donation to $5,000."
Before he could sit back down, plaster fell on him again, and again he virtually screamed, "Pastor, I will double my last pledge."
He sat down, and an larger chunk of plaster fell hitting him on the head. He stood once more and hollered, "Pastor, I will give $20,000!"
This prompted a deacon to shout, "Hit him again, Lord! Hit him again!"