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Monthly Archive - January 2024brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Find number abc
If 8cc60 + 66a2b = 15028b find number abc. Multiple solutions may exist. Correct answers: 1
#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: 2
#brainteasers #mastermind
Calculate the number 1254
NUMBERMANIA: Calculate the number 1254 using numbers [9, 3, 2, 7, 91, 136] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#brainteasers #math #numbermania

Broke student
A college freshman called up his mother and asked her for some money, because he was broke. His mother said,
"Sure, sweetie. I will send you some money. You also left your
calculus book here when you visited 2 weeks ago.
Do you want me to send that up too?"
"Uhh, oh yeah, O.K." responded the student.
So his mom wrapped up the book and mailed it. Dad asked,
"Well how much did you give him?"
"Oh, I wrote 2 checks, one for $20, and the other for $500."
"That's $520!" said dad, "Are you crazy?"
"Don't worry honey," mom said. "I taped the $20 check to the
cover of his book, but I put the $500 one somewhere in ...
chapter 19!
Found on https://vk.com/notes15935520, posted by Liana Parhanita, on 4 Mar 2010
Find number abc
If ca503 + c95b4 = 3a0b7 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
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: 5
#brainteasers #mastermind
Calculate the number 7959
NUMBERMANIA: Calculate the number 7959 using numbers [9, 7, 1, 3, 72, 484] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B*C
The aim is to place the some numbers from the list (8, 10, 12, 14, 19, 21, 53, 57, 61, 64, 99) 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: 1
#brainteasers #math #magicsquare
Find number abc
If c6cb2 - 2a624 = 26acb find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
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: 1
#brainteasers #mastermind
Calculate the number 722
NUMBERMANIA: Calculate the number 722 using numbers [9, 3, 2, 4, 71, 274] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania