BRAIN TEASERS
Monthly Archive - October 2020 (page 2)

Monthly Archive - October 2020 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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Find number abc

If a6449 + a68b4 = 1bcc0c find number abc. Multiple solutions may exist.
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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What a winning 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: 14
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 411

NUMBERMANIA: Calculate the number 411 using numbers [8, 2, 6, 8, 55, 610] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania

A Guy was staying in a fancy h...

A Guy was staying in a fancy hotel and was enjoying the pool when the manager told him quite bluntly to get out. When asked for the reason, the manager said, "Because you peed in the pool."
"Well," replied the swimmer, "lots of people do that."
"True," answered the manager, "but you did it from the diving board."
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Find number abc

If 1a3ba + 2a1c5 = cc532 find number abc. Multiple solutions may exist.
Correct answers: 19
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: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 958

NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
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 (4, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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: 9
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 8b6b8 + 46594 = c2a2b2 find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
[link]

What a winning 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: 14
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1371

NUMBERMANIA: Calculate the number 1371 using numbers [3, 1, 6, 5, 30, 401] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Jean-Charles de Borda

Born 4 May 1733; died 20 Feb 1799 at age 65.French mathematician and nautical astronomer noted for his studies of fluid mechanics and his development of instruments for navigation and geodesy, the study of the size and shape of the Earth. Borda joined the navy, took part in several scientific voyages and played a role in the American War of Independence. He was one of the main driving forces in the introduction of the decimal system. Borda made good use of calculus and experiment to unify areas of physics. For his surveying, he also developed a series of trigonometric tables. In 1782, while in command of a flotilla of six French ships, he was captured by the British. Borda's health declined after his release. He is one of 72 scientists commemorated by plaques on the Eiffel tower.
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