BRAIN TEASERS
The Easiest Tasks (page 596)

The Easiest Tasks (page 596)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 5951 to 5960.
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Calculate the number 1866

NUMBERMANIA: Calculate the number 1866 using numbers [5, 6, 1, 8, 89, 237] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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Calculate the number 4421

NUMBERMANIA: Calculate the number 4421 using numbers [7, 9, 6, 8, 24, 614] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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Calculate the number 7539

NUMBERMANIA: Calculate the number 7539 using numbers [5, 8, 2, 1, 65, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is NĂ­lton CorrĂȘa de Sousa.
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#brainteasers #math #numbermania

Some people have

Some people have ah ha! moments. Not me. I have… Ahh Shit! moments.

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 (2, 3, 5, 7, 8, 10, 18, 19, 21, 28) 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: 8
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 (2, 4, 12, 21, 23, 26, 30, 31, 64, 70, 72, 80, 90) 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: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 4402

NUMBERMANIA: Calculate the number 4402 using numbers [2, 6, 4, 6, 95, 346] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Thea Ferlazzo.
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#brainteasers #math #numbermania
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Calculate the number 2040

NUMBERMANIA: Calculate the number 2040 using numbers [1, 9, 2, 4, 55, 234] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
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 (10, 12, 13, 24, 31, 33, 34, 67, 69, 70) 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: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 8692

NUMBERMANIA: Calculate the number 8692 using numbers [8, 1, 9, 7, 81, 478] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 3809

NUMBERMANIA: Calculate the number 3809 using numbers [2, 4, 8, 7, 69, 916] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Lewis Fry Richardson

Died 30 Sep 1953 at age 71 (born 11 Oct 1881). British physicist and psychologist who first applied mathematics to accurate weather prediction. Richardson applied the mathematical method of finite differences to predicting the weather (1922). In his life, he held various posts: at the National Physical Laboratory, the Meteorological Office, and several university posts in physics or technology. Also, he was a chemist with National Peat Industries and in charge of the physical and chemical laboratory of the Sunbeam Lamp Co. Early application of mathematical techniques for systematically forecasting the weather were limited by extensive computation time: three months to predict weather for the next 24 hours. With electronic computers available after WW II made his methods became practical. He wrote several books applying mathematics to the causes of war. He contributed to calculus and the theory of diffusion for eddy-diffusion in the atmosphere. The Richardson number, a quantity involving gradients (change over distance) of temperature and wind velocity, is named after him.
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