|
The Most Difficult Tasks (page 2)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20. |
Calculate the number 4293
. Each of the numbers can be used only once.','/archive/2026/06/19/numbermania-1781827501.png','/calculate-the-number-4293/8750'))
NUMBERMANIA: Calculate the number 4293 using numbers [9, 7, 1, 9, 24, 570] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 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/2026/06/18/magic-square-1781741164.png','/MAGIC-SQUARE-Calculate-A-B-C/8749'))
The aim is to place the some numbers from the list (6, 11, 16, 18, 19, 31, 35, 36, 40, 41, 45, 95) 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. Find number abc
)
If b94ab + 3a66c = 6acc3 find number abc. Multiple solutions may exist. 
Nuns Confessional
The priest asks, "What part of your body did you use?"
The nun replies, "My right hand."
The priest tells her to dip her right hand in holy water say 10 hail Maryâs and all will be forgiven.
The second nun goes into the confessional and says, "Bless me father for I have sinned I touched a mans private parts."
The priest asks, "What part of your body did you use?"
The nun replies, "My left hand." The priest tells her to dip her left hand in the holy water say 10 hail Maryâs and all will be forgiven.
Well, this leaves the third and fourth nun standing in line. The fourth nun taps the third nun on the shoulder and asks, "Would you mind if I went first?"
The third nun says, "Sure I don't care, but would mind telling me why?"
The fourth nun replies, "Well, I would like to drink the water before you have to sit in it!"
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/2026/06/16/mastermind-1781568301.png','/What-a-winning-combination/8747'))
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. 
Calculate the number 4438
. Each of the numbers can be used only once.','/archive/2026/06/15/numbermania-1781481901.png','/calculate-the-number-4438/8746'))
NUMBERMANIA: Calculate the number 4438 using numbers [8, 6, 6, 9, 24, 302] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
)
If c40b1 + a313b = 15b208 find number abc. Multiple solutions may exist. Calculate the number 935
. Each of the numbers can be used only once.','/archive/2026/06/12/numbermania-1781222701.png','/calculate-the-number-935/8744'))
NUMBERMANIA: Calculate the number 935 using numbers [3, 2, 1, 5, 79, 358] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 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/2026/06/11/magic-square-1781136373.png','/MAGIC-SQUARE-Calculate-A-B-C/8743'))
The aim is to place the some numbers from the list (12, 13, 15, 22, 23, 25, 28, 29, 31, 68, 72, 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. Find number abc
)
If 9a1cc - b9aa9 = 5acbb find number abc. Multiple solutions may exist. 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/2026/06/09/mastermind-1780963502.png','/What-a-winning-combination/8741'))
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. 
