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The Most Difficult Tasks (page 16)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 151 to 160. |
Calculate the number 951
. Each of the numbers can be used only once.','/archive/2026/03/06/numbermania-1772755501.png','/calculate-the-number-951/8649'))
NUMBERMANIA: Calculate the number 951 using numbers [2, 2, 1, 7, 20, 978] 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/2026/03/05/magic-square-1772669144.png','/MAGIC-SQUARE-Calculate-A-B-C/8648'))
The aim is to place the some numbers from the list (12, 14, 17, 19, 23, 28, 56, 58, 67, 68, 76) 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 5bcb5 + 18aaa = b6a08 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Smashing The Cigarettes
A carpet layer had just finished installing carpet for a lady. He stepped out for a smoke, only to realize he'd lost his cigarettes. In the middle of the room, under the carpet, was a bump. "No sense pulling up the entire floor for one pack of smokes," he said to himself. He proceeded to get out his hammer and flattened the hump.
As he was cleaning up, the lady came in. "Here," she said, handing him his pack of cigarettes. "I found them in the hallway." "Now," she said, "if only I could find my gerbil."
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/2026/03/03/mastermind-1772496301.png','/What-a-winning-combination/8646'))
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 7961
. Each of the numbers can be used only once.','/archive/2026/03/02/numbermania-1772409902.png','/calculate-the-number-7961/8645'))
NUMBERMANIA: Calculate the number 7961 using numbers [2, 6, 5, 2, 35, 987] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 5a0ab + cbaca = 7ca4c find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Calculate the number 7832
. Each of the numbers can be used only once.','/archive/2026/02/27/numbermania-1772150701.png','/calculate-the-number-7832/8642'))
NUMBERMANIA: Calculate the number 7832 using numbers [1, 6, 7, 4, 35, 749] 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/2026/02/26/magic-square-1772064345.png','/MAGIC-SQUARE-Calculate-A-B-C/8641'))
The aim is to place the some numbers from the list (3, 14, 15, 16, 25, 26, 27, 68, 71, 72, 73) 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 1b1a0 + 21b02 = acca2 find number abc. Multiple solutions may exist. Correct answers: 0
#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/2026/02/24/mastermind-1771891501.png','/Which-is-a-winning-combination-of-digits/8639'))
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
