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The Most Difficult Tasks (page 190)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1891 to 1900. |
Calculate the number 4882
. Each of the numbers can be used only once.','/archive/2019/01/21/numbermania-1548029101.png','/calculate-the-number-4882/5776'))
NUMBERMANIA: Calculate the number 4882 using numbers [7, 8, 5, 9, 43, 528] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Replace asterisk symbols with ...
 and guess the name of musician band. Length of words in solution: 3,8.','/archive/2018/08/25/5487.png','/Replace-asterisk-symbols-with----/5487'))
Replace asterisk symbols with a letters (*** *IV**I**) and guess the name of musician band. Length of words in solution: 3,8. Look carefully image and try...
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Look carefully image and try to decrypt hidden text. 
10 yo-yo jokes to celebrate National yo-yo day
1. Why don't yo-yos make good friends?
- Because they always let you down!
2. What did the yo-yo say to the tightrope?
- "Now, that's what I call a string walk!"
3. How do yo-yos cheer each other up?
- They say, "Hang in there, it'll be an up and down ride!"
4. Why was the yo-yo so good at making decisions?
- It always knew how to go back and forth!
5. Why don't yo-yos work in zero gravity?
- They can't deal with the ups and downs!
6. What did the yo-yo say to the super glue?
- "I need someone who won't let go!"
7. Why was the yo-yo the life of the party?
- Because it always knew how to unwind!
8. How did the yo-yo become a successful motivational speaker?
- It always knew how to bounce back!
9. What do yo-yos say when they introduce themselves?
- "I’m not as up-tight as I appear!"
10. Why was the yo-yo accused of being a spy?
- Because it always goes undercover!
What represents the following ...
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What represents the following text 11OFT? 
Find number abc
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If a4ab4 - 422c4 = 12310 find number abc. Multiple solutions may exist. Find number abc
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If c9cba - c9ca4 = 19 find number abc. Multiple solutions may exist. Find number abc
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If b9a14 - bb96c = 1a5c find number abc. Multiple solutions may exist. Find number abc
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If 54ca7 + 997c1 = 1546bc 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/2022/08/20/mastermind-1660953901.png','/Find-the-right-combination/7367'))
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 bbaaa + 2bc8b = 56c8b find number abc. Multiple solutions may exist. 
