BRAIN TEASERS
The Most Difficult Tasks (page 515)

The Most Difficult Tasks (page 515)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 5141 to 5150.
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Find a famous person

Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 7,7.
Correct answers: 38
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles
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CINEMANIA: Guess the movie title

See negative of movie scene and guess the title. Length of words in solution: 6
Correct answers: 38
The first user who solved this task is Sanja Šabović.
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#brainteasers #movie #film #cinemania
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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (2, 3, 5, 6, 11, 14, 18, 21, 22, 30, 73, 93) 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: 38
The first user who solved this task is Kristina Ko.
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#brainteasers #math #magicsquare

April Fool's Day - Freeze your kid’s morning cereal

Freeze your kid’s morning cereal. Put a bowl of your kid’s favorite cereal and milk in the freezer overnight, then watch in the morning as your unsuspecting kid clanks a spoon against the frozen milk.
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CINEMANIA: Guess the movie title

Film was made in 2003.
Correct answers: 38
The first user who solved this task is Sanja Šabović.
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#brainteasers #movie #film #cinemania
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CINEMANIA: Guess the movie title

Film was made in 1998.
Correct answers: 38
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #movie #film #cinemania
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Calculate the number 744

NUMBERMANIA: Calculate the number 744 using numbers [4, 2, 6, 9, 61, 737] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 38
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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CINEMANIA: Guess the movie title

Film was made in 2007.
Correct answers: 38
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #movie #film #cinemania
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Calculate the number 436

NUMBERMANIA: Calculate the number 436 using numbers [3, 6, 2, 5, 84, 985] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 38
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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Find the ratio of the areas of two squares

Find the ratio of the areas of two squares. Express result to the accuracy of 3 decimal.
Correct answers: 38
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Calculate the number 2732

NUMBERMANIA: Calculate the number 2732 using numbers [2, 1, 6, 9, 16, 275] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 38
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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Benjamin Peirce

Died 6 Oct 1880 at age 71 (born 4 Apr 1809). American astronomer, mathematician and educator who computed the general perturbations of the planets Uranus and Neptune. He was Harvard's Perkins Professor of Astronomy and Mathematics for nearly 40 years, and was largely responsible for introducing mathematics as a subject for research in American institutions. He is known especially for his contributions to analytic mechanics and linear associative algebra, but he is also remembered for his early work in astronomy and for playing a role in the discovery of Neptune. His son, Charles Sanders Peirce followed him as a mathematician and logician.
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