BRAIN TEASERS
The Most Difficult Tasks (page 48)

The Most Difficult Tasks (page 48)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 471 to 480.
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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 9492

NUMBERMANIA: Calculate the number 9492 using numbers [6, 3, 8, 4, 85, 971] 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 (5, 7, 11, 12, 13, 14, 19, 20, 21, 28, 53, 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

Returning home from work, a bl...

Returning home from work, a blonde was shocked to find her house ransacked and burglarized. She telephoned the police at once a nd reported the crime. The police dispatcher broadcast the call on the radio, and a K-9 unit, patrolling nearby, was the first to respond.
As the K-9 officer approached the house with his dog on a leash, the blonde ran out on the porch, shuddered at the sight of the cop and his dog, then sat down on the steps. Putting her face in her hands, she moaned, 'I come home to find all my possessions stolen. I call the police for help, and what do they do? They send me a BLIND policeman!'
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Find number abc

If 6a277 + 2b0ac = ccbba find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 600

NUMBERMANIA: Calculate the number 600 using numbers [9, 2, 5, 9, 61, 721] 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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Find number abc

If 5ca67 + 5a62b = aa07ca find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (12, 13, 14, 22, 23, 24, 43, 44, 45, 77) 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
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If a65ca - a40a6 = b44c find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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Calculate the number 6030

NUMBERMANIA: Calculate the number 6030 using numbers [3, 3, 8, 4, 76, 787] 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 919aa - bb0c7 = c9877 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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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.
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Edward Joseph Hoffman

Died 1 Jul 2004 at age 62 (born 1 Jan 1942).American biomedical physicist whohelped create(1974) the PET Scanner (Positron Emission Tomography), which is used to detect cancers and other diseases.Michael E Phelps and others sharecreditfor this invention. A patient is prepared for a PET scan with an injection of slightly radioactive material, typically tagging molecules that behave like glucose within the body. Since cancerous tissues consume glucose, the scanner can then detect their location. PET technology can also be employed in the diagnosis of cardiovascular disease and Alzheimer's disease. Hoffman further developed the PET Scanner for use in making quantitative measurements. He became internationally known in the field of medical imaging. By the time he died in 2004, some 1,500 scanners were in use as a powerful diagnostic tool for saving or extending lives.«
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