Monthly Archive - January 2024 (page 2)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20. |
Find number abc
If 231a6 + 5baac = aa95b find number abc. Multiple solutions may exist.Correct answers: 1
#brainteasers #math
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: 3
#brainteasers #mastermind
Calculate the number 7045
NUMBERMANIA: Calculate the number 7045 using numbers [6, 3, 4, 5, 94, 731] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
#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
MAGIC SQUARE: Calculate A+B-C
The aim is to place the some numbers from the list (24, 25, 26, 27, 31, 32, 51, 72, 74, 79) 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 b8a00 - b554b = c151 find number abc. Multiple solutions may exist.Correct answers: 4
#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: 3
#brainteasers #mastermind
Calculate the number 2487
NUMBERMANIA: Calculate the number 2487 using numbers [7, 9, 1, 2, 82, 341] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 2
#brainteasers #math #numbermania
Find number abc
If a4c2c + 64a96 = b3932b find number abc. Multiple solutions may exist.Correct answers: 2
#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 1134
NUMBERMANIA: Calculate the number 1134 using numbers [6, 4, 6, 7, 67, 877] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
#brainteasers #math #numbermania