BRAIN TEASERS
The Most Difficult Tasks (page 185)

The Most Difficult Tasks (page 185)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1841 to 1850.
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MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (6, 8, 9, 19, 20, 21, 22, 26, 28, 29, 31) 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: 11
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Calculate the number 1459

NUMBERMANIA: Calculate the number 1459 using numbers [8, 5, 3, 1, 93, 318] 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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Calculate the number 992

NUMBERMANIA: Calculate the number 992 using numbers [5, 8, 5, 9, 82, 608] 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

A blond goes to Target

A blonde was shopping at Target &came across a shiny silver thermos.She was quite fascinated by it, so she picked it up & tookit to the clerk to ask what it was.

The clerk said, 'Why, that's a thermos.....It keeps hot things hot, And cold things cold.'

'Wow, said the blonde, 'that's amazing.....I'm going to buy it!'So she bought the thermos & took it to work the next day.

Her boss saw it on her desk.'What's that,' he asked?

'Why, that's a thermos.... It keeps hot things hot & cold thingscold,' she replied..

Her boss inquired, 'What do you have in it?'

The blonde replied......'Two popsicles & some coffee.'

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Calculate the number 735

NUMBERMANIA: Calculate the number 735 using numbers [3, 7, 4, 8, 41, 621] 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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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (13, 15, 17, 27, 29, 31, 56, 65, 67, 69, 91, 97) 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: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (15, 17, 25, 27, 29, 37, 40, 42, 43, 50, 52, 91) 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: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 1734

NUMBERMANIA: Calculate the number 1734 using numbers [3, 2, 2, 8, 45, 639] 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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Calculate the number 4984

NUMBERMANIA: Calculate the number 4984 using numbers [2, 1, 9, 4, 52, 947] 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 (5, 7, 14, 15, 16, 25, 26, 27, 28, 29, 30) 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: 11
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 253

NUMBERMANIA: Calculate the number 253 using numbers [8, 2, 3, 6, 40, 156] 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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Simon Newcomb

Died 11 Jul 1909 at age 74 (born 12 Mar 1835). Canadian-American astronomer and and mathematician who prepared ephemerides (tables of computed places of celestial bodies over a period of time) and tables of astronomical constants. He was an astronomer (1861-77) before becoming Superintendent of the U.S. Nautical Almanac Office (1877-97). During this time he undertook numerous studies in celestial mechanics. His central goal was to place planetary and satellite motions on a completely uniform system, thereby raising solar system studies and the theory of gravitation to a new level. He largely accomplished this goal with the adoption of his new system of astronomical constants at the end of the century.
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