Monthly Archive - February 2020brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
Find the right combinationThe 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 1558NUMBERMANIA: Calculate the number 1558 using numbers [9, 6, 6, 3, 71, 280] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
MAGIC SQUARE: Calculate A-B-CThe aim is to place the some numbers from the list (5, 8, 11, 18, 21, 24, 31, 67, 70, 73, 84, 95) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A-B-C.
A strong young man at the construction site was bragging that he could outdo anyone in a feat of strength. He made a special case of making fun of Morris, one of the older workers.
After several minutes, Morris had had enough. "Why don't you put your money where your mouth is?" he said: "I will bet a week's wages that I can haul something in a wheelbarrow over to that outbuilding that you won't be able to wheel back."
"You're on, old man," the braggart replied: "It's a bet! Let's see what you got."
Morris reached out and grabbed the wheelbarrow by the handles. Then, nodding to the young man, he said, "All right. Get in."