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Monthly Archive - November 2021brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
What a winning combination?
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. Correct answers: 9
#brainteasers #mastermind
Calculate the number 2394
NUMBERMANIA: Calculate the number 2394 using numbers [8, 6, 1, 8, 84, 265] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 3
#brainteasers #math #numbermania
Find number abc
If 731a4 - 70ab0 = 2ac4 find number abc. Multiple solutions may exist. Correct answers: 14
#brainteasers #math

Traffic court
A man was forced to take a day off from work to appear for a minor traffic summons. He grew increasingly restless as he waited hour after endless hour for his case to be heard.
When his name was called late in the afternoon, he stood before the judge, only to hear that court would be adjourned for the next day and he would have to return the next day.
"What for?" he snapped at the judge.
His honor, equally irked by a tedious day and sharp query roared, "Twenty dollars contempt of court. That's why!"
Then, noticing the man checking his wallet, the judge relented. "That's all right. You don't have to pay now."
The young man replied, "I'm just seeing if I have enough for two more words."
Which is a winning combination of digits?
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. Correct answers: 13
#brainteasers #mastermind
Calculate the number 8638
NUMBERMANIA: Calculate the number 8638 using numbers [7, 3, 7, 5, 99, 815] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 3
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B-C
The aim is to place the some numbers from the list (4, 5, 12, 13, 14, 17, 21, 31, 32, 39) 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. Correct answers: 3
#brainteasers #math #magicsquare
Find number abc
If 9b80a - 90ac7 = bbbb find number abc. Multiple solutions may exist. Correct answers: 9
#brainteasers #math
Find the right combination
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. Correct answers: 13
#brainteasers #mastermind
Calculate the number 4485
NUMBERMANIA: Calculate the number 4485 using numbers [4, 6, 1, 7, 73, 796] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 5
#brainteasers #math #numbermania
Find number abc
If 5cb0b - 2b1ba = 2561a find number abc. Multiple solutions may exist. Correct answers: 10
#brainteasers #math