BRAIN TEASERS
Monthly Archive - March 2021

Monthly Archive - March 2021

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Find number abc

If 41a4b + 5a720 = 950cb find number abc. Multiple solutions may exist.
Correct answers: 36
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Which is a winning combination of digits?

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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 4912

NUMBERMANIA: Calculate the number 4912 using numbers [7, 8, 6, 5, 97, 633] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania

Monday Morning

Happy Monday Morning
Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If a84bc + a32a6 = 1a1b66 find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Find the right combination

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: 26
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1815

NUMBERMANIA: Calculate the number 1815 using numbers [7, 2, 1, 6, 88, 961] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is NĂ­lton CorrĂȘa de Sousa.
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 9, 12, 13, 14, 18, 22, 24, 28, 42) 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.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 9ca9a - a0b0b = 1cb9b find number abc. Multiple solutions may exist.
Correct answers: 36
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
[link]

Which is a winning combination of digits?

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: 23
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1574

NUMBERMANIA: Calculate the number 1574 using numbers [6, 5, 3, 4, 98, 243] 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.
CHECK ANSWER
#brainteasers #math #numbermania
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Pieter Zeeman

Died 9 Oct 1943 at age 78 (born 25 May 1865). Dutch physicist who was an authority on magneto-optics. In 1896, he discovered the "Zeeman effect," the "phenomena produced in spectroscopy by the splitting up of spectral lines in a magnetic field." He shared (with Hendrik A. Lorentz) the Nobel Prize for Physics in 1902 for his discovery of the Zeeman effect.
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