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The Most Difficult Tasks (page 15)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 141 to 150. |
Find number abc
)
If 4a18c - 1a3b3 = c98a9 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Calculate the number 7328
. Each of the numbers can be used only once.','/archive/2026/04/06/numbermania-1775433901.png','/calculate-the-number-7328/8679'))
NUMBERMANIA: Calculate the number 7328 using numbers [5, 5, 3, 3, 98, 819] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 7b0a8 + 544ab = cb65a0 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Dead Lawyer
A guy calls a law office and says: "I want to talk to my lawyer."
The receptionist replies, "I'm sorry, but he died last week."
The next day he phones again and asks the same question. The receptionist replies, "I told you yesterday, he died last week."
The next day the guy calls again and asks to speak to his lawyer. By this time the receptionist is getting a little annoyed and says, "I keep telling you, your lawyer died last week. Why do you keep calling?"
The guy says, "Because I just love hearing it."
Calculate the number 1085
. Each of the numbers can be used only once.','/archive/2026/04/03/numbermania-1775174701.png','/calculate-the-number-1085/8676'))
NUMBERMANIA: Calculate the number 1085 using numbers [8, 1, 6, 6, 51, 677] 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/2026/04/02/magic-square-1775088324.png','/MAGIC-SQUARE-Calculate-A-B-C/8675'))
The aim is to place the some numbers from the list (11, 13, 16, 18, 20, 22, 27, 57, 59, 64) 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 b6b62 + 7acba = a558b find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Calculate the number 2924
. Each of the numbers can be used only once.','/archive/2026/03/30/numbermania-1774829101.png','/calculate-the-number-2924/8672'))
NUMBERMANIA: Calculate the number 2924 using numbers [9, 5, 7, 5, 18, 597] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If a350b - 25a28 = 3c8ca 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/2026/03/28/mastermind-1774656301.png','/What-a-winning-combination/8670'))
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 714
. Each of the numbers can be used only once.','/archive/2026/03/27/numbermania-1774569901.png','/calculate-the-number-714/8669'))
NUMBERMANIA: Calculate the number 714 using numbers [5, 3, 7, 6, 27, 116] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
