BRAIN TEASERS
Monthly Archive - May 2019

Monthly Archive - May 2019

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Calculate the number 3366

NUMBERMANIA: Calculate the number 3366 using numbers [8, 5, 8, 5, 77, 696] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#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, 7, 8, 9, 10, 13, 15, 16, 67, 69, 70, 81) 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 703ab + 7177c = 14b15a 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

President Obama and David Cameron...

President Obama and David Cameron are shown a time machine which can see 100 years into the future. They both decide to test it by asking a question each.
President Obama goes first: "What will the USA be like in 100 years time?"
The machine whirrs and beeps and goes into action and gives him a printout. He reads it out: "The country is in good hands under the new president, crime is non-existent, there is no conflict, the economy is healthy. There are no worries."
David Cameron thinks, "It's not bad time machine, I'll have a bit of that." So he asks: "What will Britain be like in 100 years time?"
The machine whirrs and beeps and goes into action, and he gets a printout.
But he just stares at it.
"Come on David," says Obama, "Tell us what it says."
"I can't! It's all in Arabic!"
Jokes of the day - Daily updated jokes. New jokes every day.
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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: 20
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1257

NUMBERMANIA: Calculate the number 1257 using numbers [6, 4, 9, 3, 54, 264] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 6baaa - bbcc8 = 977c find number abc. Multiple solutions may exist.
Correct answers: 31
The first user who solved this task is Nílton Corrêa De Sousa.
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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 329

NUMBERMANIA: Calculate the number 329 using numbers [2, 3, 8, 8, 77, 228] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (17, 18, 20, 21, 27, 28, 38, 46, 49, 56, 83) 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: 14
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If b007b + 2a55c = aa625 find number abc. Multiple solutions may exist.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Oziel Wilkinson

Died 22 Oct 1815 at age 71 (born 30 Jan 1744).American blacksmith and inventor who began manufacturing farm tools, domestic utensils and cut nails using water power at Pawtucket, Rhode Island, from about 1783. He expanded with an anchor-forging shop the next year, and later added a metal rolling and slitting mill. About 1786, he began making iron screws for clothier's and oil presses. In 1791 he built a reverbatory air furnace. By 1800, Wilkinson and his sons had established themselves as the centre of iron products manufacturing in New England, supplying the machinery parts needed by new industries. Wilkinson joined his son-in-law Samuel Slater in the textile industry. Oziel's son, David furnished the iron forgings and castings for the first carding and spinning machines at Slater's Mill.«
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