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The Most Difficult Tasks (page 67)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 661 to 670. |
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/2025/06/07/mastermind-1749254701.png','/Find-the-right-combination/8382'))
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 7337
. Each of the numbers can be used only once.','/archive/2025/06/06/numbermania-1749168301.png','/calculate-the-number-7337/8381'))
NUMBERMANIA: Calculate the number 7337 using numbers [3, 8, 5, 7, 61, 928] 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
 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/2025/06/05/magic-square-1749081926.png','/MAGIC-SQUARE-Calculate-A-B-C/8380'))
The aim is to place the some numbers from the list (6, 8, 9, 27, 29, 30, 48, 57, 59, 60) 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
The Wisdom of Yoda – a little late
The Wisdom of Yoda – a little late
Find number abc
)
If aaa20 - cacab = 40c4b 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/2025/06/03/mastermind-1748909101.png','/Which-is-a-winning-combination-of-digits/8378'))
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 2460
. Each of the numbers can be used only once.','/archive/2025/06/02/numbermania-1748822701.png','/calculate-the-number-2460/8377'))
NUMBERMANIA: Calculate the number 2460 using numbers [6, 5, 6, 7, 53, 425] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If cba3b - 282b9 = b28b2 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
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/2025/05/31/mastermind-1748649901.png','/What-a-winning-combination/8375'))
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 1145
. Each of the numbers can be used only once.','/archive/2025/05/30/numbermania-1748563501.png','/calculate-the-number-1145/8374'))
NUMBERMANIA: Calculate the number 1145 using numbers [1, 5, 2, 9, 50, 558] 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
 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/2025/05/29/magic-square-1748477142.png','/MAGIC-SQUARE-Calculate-A-B-C/8373'))
The aim is to place the some numbers from the list (4, 6, 14, 23, 25, 33, 34, 36, 44, 62, 91) 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
