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The Most Difficult Tasks (page 154)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1531 to 1540. |
Calculate the number 4248
. Each of the numbers can be used only once.','/archive/2021/12/06/numbermania-1638749101.png','/calculate-the-number-4248/7109'))
NUMBERMANIA: Calculate the number 4248 using numbers [2, 8, 2, 5, 32, 501] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. What a winning 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/2024/02/06/mastermind-1707177901.png','/What-a-winning-combination/7897'))
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. 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/2024/01/27/mastermind-1706313901.png','/Which-is-a-winning-combination-of-digits/7887'))
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. 
The Lawyer at the Pearly Gates
Recently a teacher, a garbage collector, and a lawyer wound up together at the Pearly Gates. St. Peter informed them that in order to get into heaven, they would each have to answer one question.
St. Peter addressed the teacher and asked, “What was the name of the ship that crashed into the iceberg? They just made a movie about it.” The teacher answered quickly, “That would be the Titanic.” St. Peter let her through the gate.
St. Peter turned to the garbage man and figuring heaven didn’t REALLY need all the odors this guy would bring with him, decided to make the question a little harder: “How many people died on the ship?” But the trash man had just seen the movie, too, and he answered, “about 1,500.”
“That’s right! You may enter,” said Peter.
Then St. Peter turned to the lawyer and said, “Name them.”
This joke was reprinted from "The Book of Catholic Jokes" by Deacon Tom Sheridan, with permission of ACTA Publications. Copyright 2008. All rights reserved.
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/2024/01/02/mastermind-1704153902.png','/Which-is-a-winning-combination-of-digits/7862'))
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. 
Find number abc
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If 95c80 - 8bc59 = 90a1 find number abc. Multiple solutions may exist. What a winning 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/2023/12/19/mastermind-1702944301.png','/What-a-winning-combination/7848'))
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. 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/2023/12/16/mastermind-1702685101.png','/Find-the-right-combination/7845'))
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. Find number abc
)
If 8b597 + b987c = 11b47a find number abc. Multiple solutions may exist. 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/2023/08/31/magic-square-1693440321.png','/MAGIC-SQUARE-Calculate-A-B-C/7739'))
The aim is to place the some numbers from the list (15, 17, 22, 27, 29, 30, 32, 34, 37, 96) 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 bcb8a - 8bbb3 = cbb4 find number abc. Multiple solutions may exist. 
