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Monthly Archive - June 2022brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
MAGIC SQUARE: Calculate A-B+C
 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.','/archive/2022/06/30/magic-square-1656547517.png','/MAGIC-SQUARE-Calculate-A-B-C/7315'))
The aim is to place the some numbers from the list (7, 9, 14, 15, 16, 22, 54, 56, 62, 86) 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. Find number abc
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If cbacb + 8c650 = 1aabbb find number abc. Multiple solutions may exist. Find the right combination
. 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.','/archive/2022/06/28/mastermind-1656374701.png','/Find-the-right-combination/7313'))
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. 
What if...
Tom is applying for a job as a signalman for the local railroad and is told to meet the inspector at the signal box.
The inspector decides to give Tom a pop quiz, asking: "What would you do if you realized that two trains were heading towards each other on the same track?"
Tom says: "I would switch one train to another track."
"What if the lever broke?" asks the inspector.
"Then I'd run down to the tracks and use the manual lever down there," answers Tom.
"What if that had been struck by lightning?" challenges the inspector.
"Then," Tom continued, "I'd run back up here and use the phone to call the next signal box."
"What if the phone was busy?"
"In that case," Tom argued, "I'd run to the street level and use the public phone near the station."
"What if that had been vandalized?"
"Oh well," said Tom, "in that case I would run into town and get my Uncle Leo.
This puzzled the inspector, so he asked "Why would you do that?"
"Because he's never seen a train crash."
Calculate the number 7756
. Each of the numbers can be used only once.','/archive/2022/06/27/numbermania-1656288301.png','/calculate-the-number-7756/7312'))
NUMBERMANIA: Calculate the number 7756 using numbers [5, 8, 9, 2, 19, 976] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
Find number abc
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If 9a5a4 + 6bab9 = b5b5c3 find number abc. Multiple solutions may exist. Find the right combination
. 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.','/archive/2022/06/25/mastermind-1656115501.png','/Find-the-right-combination/7310'))
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 1459
. Each of the numbers can be used only once.','/archive/2022/06/24/numbermania-1656029101.png','/calculate-the-number-1459/7309'))
NUMBERMANIA: Calculate the number 1459 using numbers [2, 5, 2, 1, 99, 391] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. MAGIC SQUARE: Calculate A+B*C
 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.','/archive/2022/06/23/magic-square-1655942719.png','/MAGIC-SQUARE-Calculate-A-B-C/7308'))
The aim is to place the some numbers from the list (6, 7, 13, 17, 18, 24, 43, 44, 50, 72) 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. Find number abc
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If cb2b4 + aab74 = 13a27a find number abc. Multiple solutions may exist. Which is a winning combination of digits?
. 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.','/archive/2022/06/21/mastermind-1655769901.png','/Which-is-a-winning-combination-of-digits/7306'))
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. 
