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The Most Difficult Tasks (page 315)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 3141 to 3150. |
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/2019/11/23/mastermind-1574467501.png','/Which-is-a-winning-combination-of-digits/6161'))
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/2019/11/12/mastermind-1573517101.png','/Which-is-a-winning-combination-of-digits/6150'))
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/2019/11/05/mastermind-1572912301.png','/Which-is-a-winning-combination-of-digits/6143'))
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. 
A pain in the leg
An old man goes to his doctor, complaining about a pain in his leg that doesn't heal, and wants a diagnosis and explanation. The doctor checks out his leg, but can't find anything wrong, so he gives the old guy a full physical exam, and still can't come up with any possible explanation for the pain.
The doctor hands the patient his bill and says, "I'm sorry, but the pain in your leg is simply caused by old age; there's nothing I can do about it."
The old man replies with a look of disbelief, "That's impossible! That can't be!"
The Doctor says, "What do you mean? I'm the expert here; if you know so much, how can you say it's NOT old age?"
The patient answers, "I'm no doctor but it doesn't take a medical degree to tell that your diagnosis is wrong. Clearly you're mistaken. After all, my other leg feels just fine."
"So what?" says the doctor "What difference does that make?"
"Well it doesn't hurt a bit, and it's the SAME AGE!"
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/2019/10/22/mastermind-1571702701.png','/What-a-winning-combination/6129'))
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 b7c80 + 792a5 = c2abb5 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/2019/09/21/mastermind-1569024302.png','/What-a-winning-combination/6098'))
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 47aba - a90cb = 2c04c find number abc. Multiple solutions may exist. Find a famous person
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Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 4,8. Calculate the number 3005
. Each of the numbers can be used only once.','/archive/2019/02/01/numbermania-1548979501.png','/calculate-the-number-3005/5806'))
NUMBERMANIA: Calculate the number 3005 using numbers [3, 2, 1, 9, 66, 235] 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/2018/12/06/magic-square-1544054738.png','/MAGIC-SQUARE-Calculate-A-B-C/5719'))
The aim is to place the some numbers from the list (11, 12, 20, 21, 22, 30, 32, 33, 41, 70, 91) 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. 
