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The Most Difficult Tasks (page 39)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 381 to 390. |
Calculate the number 345
. Each of the numbers can be used only once.','/archive/2025/01/31/numbermania-1738281901.png','/calculate-the-number-345/8255'))
NUMBERMANIA: Calculate the number 345 using numbers [9, 4, 3, 4, 18, 406] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#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/2025/01/30/magic-square-1738195548.png','/MAGIC-SQUARE-Calculate-A-B-C/8254'))
The aim is to place the some numbers from the list (1, 3, 6, 8, 10, 15, 19, 21, 25, 28, 54) 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: 0
#brainteasers #math #magicsquare
Find number abc
)
If b5075 + 224ca = a0753c find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Static electricity
A sweater I bought was picking up static electricity, so I returned it to the store.
They gave me another one, free of charge.
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/2025/01/28/mastermind-1738022701.png','/What-a-winning-combination/8252'))
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: 0
#brainteasers #mastermind
Calculate the number 5278
. Each of the numbers can be used only once.','/archive/2025/01/27/numbermania-1737936301.png','/calculate-the-number-5278/8251'))
NUMBERMANIA: Calculate the number 5278 using numbers [5, 8, 8, 6, 84, 675] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If ba1b0 + 27b4c = 866ac find number abc. Multiple solutions may exist. Correct answers: 0
#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/2025/01/25/mastermind-1737763501.png','/What-a-winning-combination/8249'))
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: 0
#brainteasers #mastermind
Calculate the number 5447
. Each of the numbers can be used only once.','/archive/2025/01/24/numbermania-1737677102.png','/calculate-the-number-5447/8248'))
NUMBERMANIA: Calculate the number 5447 using numbers [1, 3, 7, 9, 40, 496] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#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/2025/01/23/magic-square-1737590743.png','/MAGIC-SQUARE-Calculate-A-B-C/8247'))
The aim is to place the some numbers from the list (19, 20, 21, 22, 26, 27, 30, 32, 37, 41, 54) 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: 0
#brainteasers #math #magicsquare
Find number abc
)
If 9029a - bb88a = 23ca0 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
