BRAIN TEASERS
The Most Difficult Tasks (page 45)

The Most Difficult Tasks (page 45)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 441 to 450.
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Find number abc

If 6b9c4 - 1a7ac = 4c169 find number abc. Multiple solutions may exist.
Correct answers: 0
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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: 0
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#brainteasers #mastermind
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Calculate the number 718

NUMBERMANIA: Calculate the number 718 using numbers [9, 4, 8, 3, 27, 194] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania

Church Bulletin Bloopers: Carpets and Choir Robes

A new loudspeaker system has been installed in the church. It was given by one of our members in honor of his wife.Next Sunday, a special collection will be taken to defray the cost of the new carpet. All those wishing to do something on the new carpet will come forward and get a piece of paper.Eight new choir robes are currently needed, due to the addition of several new members and to the deterioration of some older ones.Scouts are saving aluminum cans, bottles, and other items to be recycled. Proceeds will be used to cripple children. The outreach committee has enlisted 25 visitors to make calls on people who are not afflicted with any church.Please place your donation in the envelope along with the deceased person you want remembered. The ladies of the Church have cast off clothing of every kind. They may be seen in the basement on Friday afternoon.On the main page of the Internet web site for the Evangelical Lutheran Church in Canada: "In a show of near anonymity, the convention approved full communion with the Anglican Church of Canada."Father is on vacation. Massages can be given to church secretary. The audience is asked to remain seated until the end of the recession.Announcement: "The cost for attending the Fasting and Prayer Conference includes meals."The agenda was adopted. The minutes were approved. The financial secretary gave a grief report.Stewardship Offertory: "Jesus Paid It All."-
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Calculate the number 789

NUMBERMANIA: Calculate the number 789 using numbers [1, 5, 1, 9, 75, 765] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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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 (6, 11, 13, 14, 21, 23, 26, 29, 32, 33, 39, 63, 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If a9ac7 + 990c9 = aa82bc find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 870

NUMBERMANIA: Calculate the number 870 using numbers [7, 5, 4, 8, 96, 290] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 7594

NUMBERMANIA: Calculate the number 7594 using numbers [9, 7, 8, 3, 82, 947] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 4a1cb + 52cab = 100a5a find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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Calculate the number 1230

NUMBERMANIA: Calculate the number 1230 using numbers [8, 4, 4, 2, 41, 657] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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John Aitken

Died 14 Nov 1919 at age 80 (born 18 Sep 1839).Scottish physicist and meteorologist who is known for his studies on atmospheric dust, the formation of dew, cyclones and evaporation. He invented the koniscope to detect and study atmospheric dust particles. He determined that condensation of atmospheric water vapor from clouds and fogs begins on the surface of microscopic particles (now known as Aitken nuclei) as a crucial step in the formation of rain and dew. Combustion produces a profusion of such particles. Suffering from ill health, he worked from a laboratory in his Falkirk home. Much of his work was published in the journals of the Royal Society of Edinburgh.«
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