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The Most Difficult Tasks (page 73)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 721 to 730. |
Find number abc
)
If bbcaa + 3c32c = 9747b find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
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/2025/11/08/mastermind-1762560301.png','/Which-is-a-winning-combination-of-digits/8533'))
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: 1
#brainteasers #mastermind
Calculate the number 7406
. Each of the numbers can be used only once.','/archive/2025/11/07/numbermania-1762473901.png','/calculate-the-number-7406/8532'))
NUMBERMANIA: Calculate the number 7406 using numbers [2, 8, 4, 4, 82, 845] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Butler
The minister and his wife place an ad for a butler. Early the next morning a nicely dressed young man appears at their front door. The minister asks him, "Can you fix breakfast by 7:00 a.m. every day?"
"Well ... I guess I can."
"And can you make the beds, dust the living room, do the dishes, cut the grass, and polish the silver also?"
"Gee, Sir, I just came by to see about getting married. But if it's going to be that much work, you can count me out!"
"Well ... I guess I can."
"And can you make the beds, dust the living room, do the dishes, cut the grass, and polish the silver also?"
"Gee, Sir, I just came by to see about getting married. But if it's going to be that much work, you can count me out!"
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/2025/11/04/mastermind-1762214701.png','/Which-is-a-winning-combination-of-digits/8529'))
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: 1
#brainteasers #mastermind
Calculate the number 618
. Each of the numbers can be used only once.','/archive/2025/11/03/numbermania-1762128301.png','/calculate-the-number-618/8528'))
NUMBERMANIA: Calculate the number 618 using numbers [1, 9, 2, 3, 11, 621] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If bc7bc - 17740 = 4a01c find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
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/2025/11/01/mastermind-1761955501.png','/Which-is-a-winning-combination-of-digits/8526'))
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: 1
#brainteasers #mastermind
Calculate the number 6367
. Each of the numbers can be used only once.','/archive/2025/10/31/numbermania-1761869102.png','/calculate-the-number-6367/8525'))
NUMBERMANIA: Calculate the number 6367 using numbers [9, 1, 1, 3, 87, 631] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 2baa4 + c992c = 10ba11 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
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/2025/10/28/mastermind-1761609901.png','/Find-the-right-combination/8522'))
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: 1
#brainteasers #mastermind
