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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?
. 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/2021/11/30/mastermind-1638230701.png','/What-a-winning-combination/7103'))
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
. Each of the numbers can be used only once.','/archive/2021/11/29/numbermania-1638144301.png','/calculate-the-number-2394/7102'))
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
I Wish I Was Rich
A genie came to me and asked, "What's your first wish?"
I answered, "I wish I was rich!"
Then the genie said, "What's your second wish, Rich?"
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/2021/11/27/mastermind-1637971502.png','/Which-is-a-winning-combination-of-digits/7100'))
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
. Each of the numbers can be used only once.','/archive/2021/11/26/numbermania-1637885101.png','/calculate-the-number-8638/7099'))
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
 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.','/archive/2021/11/25/magic-square-1637798717.png','/MAGIC-SQUARE-Calculate-A-B-C/7098'))
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
. 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/2021/11/23/mastermind-1637625901.png','/Find-the-right-combination/7096'))
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
. Each of the numbers can be used only once.','/archive/2021/11/22/numbermania-1637539501.png','/calculate-the-number-4485/7095'))
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
