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The Most Difficult Tasks (page 125)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1241 to 1250. |
Calculate the number 6339
. Each of the numbers can be used only once.','/archive/2022/02/14/numbermania-1644797101.png','/calculate-the-number-6339/7179'))
NUMBERMANIA: Calculate the number 6339 using numbers [9, 7, 3, 7, 27, 919] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#brainteasers #math #numbermania
Calculate the number 3954
. Each of the numbers can be used only once.','/archive/2022/02/11/numbermania-1644537901.png','/calculate-the-number-3954/7176'))
NUMBERMANIA: Calculate the number 3954 using numbers [9, 8, 5, 6, 80, 971] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#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/2022/02/10/magic-square-1644451517.png','/MAGIC-SQUARE-Calculate-A-B-C/7175'))
The aim is to place the some numbers from the list (6, 8, 15, 19, 21, 26, 28, 61, 63, 70) 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: 2
#brainteasers #math #magicsquare
Friendship is born
Friendship is born at that moment when one man says to another: “What! You too? I thought that no one but myself . . .”
Calculate the number 3398
. Each of the numbers can be used only once.','/archive/2022/02/07/numbermania-1644192301.png','/calculate-the-number-3398/7172'))
NUMBERMANIA: Calculate the number 3398 using numbers [2, 6, 5, 7, 26, 573] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#brainteasers #math #numbermania
Calculate the number 9023
. Each of the numbers can be used only once.','/archive/2022/02/04/numbermania-1643933101.png','/calculate-the-number-9023/7169'))
NUMBERMANIA: Calculate the number 9023 using numbers [6, 6, 7, 1, 90, 745] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#brainteasers #math #numbermania
Calculate the number 4433
. Each of the numbers can be used only once.','/archive/2022/01/17/numbermania-1642377901.png','/calculate-the-number-4433/7151'))
NUMBERMANIA: Calculate the number 4433 using numbers [2, 5, 6, 8, 50, 577] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#brainteasers #math #numbermania
Calculate the number 8275
. Each of the numbers can be used only once.','/archive/2021/12/20/numbermania-1639958701.png','/calculate-the-number-8275/7123'))
NUMBERMANIA: Calculate the number 8275 using numbers [3, 6, 7, 8, 93, 579] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 2
#brainteasers #math #numbermania
Find number abc
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If 89ab9 - bc00c = 6babb find number abc. Multiple solutions may exist. Correct answers: 3
#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/2025/06/10/mastermind-1749513901.png','/What-a-winning-combination/8385'))
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: 3
#brainteasers #mastermind
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/2025/04/15/mastermind-1744675501.png','/Find-the-right-combination/8329'))
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: 3
#brainteasers #mastermind
