BRAIN TEASERS
Monthly Archive - March 2021 (page 2)

Monthly Archive - March 2021 (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 aaa22 + 2bca6 = ca168 find number abc. Multiple solutions may exist.
Correct answers: 18
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: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 337

NUMBERMANIA: Calculate the number 337 using numbers [6, 5, 7, 5, 12, 367] 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.
CHECK ANSWER
#brainteasers #math #numbermania

Night vs Morning

Night vs Morning. At night: I can't sleep. In the morning: I can't wake up.
Jokes of the day - Daily updated jokes. New jokes every day.
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (18, 19, 20, 23, 24, 25, 56, 61, 62, 63, 79) 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: 12
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If bbb53 + 3b323 = c27c7a find number abc. Multiple solutions may exist.
Correct answers: 23
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: 29
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1838

NUMBERMANIA: Calculate the number 1838 using numbers [4, 6, 5, 2, 68, 223] 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
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Find number abc

If 5a7c0 - 16bc0 = a6c00 find number abc. Multiple solutions may exist.
Correct answers: 26
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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: 37
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 3038

NUMBERMANIA: Calculate the number 3038 using numbers [2, 3, 9, 8, 74, 624] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Olof Swartz

Born 21 Sep 1760; died 19 Sep 1818 at age 57.Swedish botanist who left a legacy of a collection of plants from his botanical tours of the West Indies, Jamaica, North America, Puerto Rico, Haiti and Cuba between 1783-87. On his return, he described nearly 900 species, most of them new, in Flora Indiae occidentalis (3 vols., 1797-1806). The Swedish Museum of Natural History now holds the collection, about 6000 specimens of phanerogams and ferns, mostly from the West Indies. It is a part of their Regnellian herbarium. He is also noted for his taxonomic studies of specific plant groups, including orchids, mosses and especially ferns. He also published Nova Genera et Species Plantarum seu Prodromus (1788) and Observationes botanicae (1791).«
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