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Monthly Archive - February 2021brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Find number abc
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If c8850 + 9488b = bca7ab find number abc. Multiple solutions may exist. Correct answers: 26
The first user who solved this task is Nasrin 24 T.
#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/2021/02/27/mastermind-1614384301.png','/Which-is-a-winning-combination-of-digits/6828'))
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: 33
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 4436
. Each of the numbers can be used only once.','/archive/2021/02/26/numbermania-1614297901.png','/calculate-the-number-4436/6827'))
NUMBERMANIA: Calculate the number 4436 using numbers [1, 9, 8, 2, 79, 502] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 12
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
The children were lined up in ...
The children were lined up in the cafeteria of a Catholic elementary school for lunch.
At the head of the table was a large pile of apples.
The nun made a note, and posted on the apple tray:
"Take only ONE. God is watching."
Moving further along the lunch line, at the other end of the table was a large pile of chocolate chip cookies.
A child had written a note, "Take all you want. God is watching the apples.
At the head of the table was a large pile of apples.
The nun made a note, and posted on the apple tray:
"Take only ONE. God is watching."
Moving further along the lunch line, at the other end of the table was a large pile of chocolate chip cookies.
A child had written a note, "Take all you want. God is watching the apples.
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/2021/02/25/magic-square-1614211516.png','/MAGIC-SQUARE-Calculate-A-B-C/6826'))
The aim is to place the some numbers from the list (4, 5, 12, 14, 21, 22, 29, 68, 69, 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: 13
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
Find number abc
)
If b9a8c - cb43a = 5ab5a find number abc. Multiple solutions may exist. Correct answers: 23
The first user who solved this task is Nasrin 24 T.
#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/2021/02/23/mastermind-1614038701.png','/What-a-winning-combination/6824'))
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: 16
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #mastermind
Calculate the number 1566
. Each of the numbers can be used only once.','/archive/2021/02/22/numbermania-1613952301.png','/calculate-the-number-1566/6823'))
NUMBERMANIA: Calculate the number 1566 using numbers [9, 6, 2, 1, 46, 229] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 13
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
Find number abc
)
If 1bc5b + aa5bc = b7796 find number abc. Multiple solutions may exist. Correct answers: 23
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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/2021/02/20/mastermind-1613779501.png','/Find-the-right-combination/6821'))
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: 38
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #mastermind
Calculate the number 672
. Each of the numbers can be used only once.','/archive/2021/02/19/numbermania-1613693101.png','/calculate-the-number-672/6820'))
NUMBERMANIA: Calculate the number 672 using numbers [8, 5, 8, 3, 64, 199] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 13
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
