BRAIN TEASERS
The Most Difficult Tasks (page 477)

The Most Difficult Tasks (page 477)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 4761 to 4770.
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Calculate the number 1141

NUMBERMANIA: Calculate the number 1141 using numbers [5, 5, 3, 9, 55, 631] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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Calculate the number 832

NUMBERMANIA: Calculate the number 832 using numbers [3, 7, 3, 2, 70, 215] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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Calculate the number 2145

NUMBERMANIA: Calculate the number 2145 using numbers [7, 3, 4, 2, 14, 680] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania

There was an elderly widow who...

There was an elderly widow who lived in a large mansion. She was feeling generous when it came to Thanksgiving, so she called up the local military base, and asked to speak with the lieutenant.
"Please send up four nice young men to eat dinner here on Thanksgiving, but please, don't send any Jews. Please, no Jews."
The lieutenant replied, "No problem ma'am, and I am sure I speak for the army when I say we all appreciate your kindness."
Well, Thanksgiving rolled around, and the widow went to answer the door when it rang. She was surprised to see four black recruits. "But... But... There must be some mistake," she stammered.
One of them replied, "No ma'am, Lieutenant Goldstein doesn't make mistakes."
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Calculate the number 6191

NUMBERMANIA: Calculate the number 6191 using numbers [9, 3, 4, 1, 58, 472] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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From which movie is this scene?

CINEMANIA: From which movie is this scene?
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #movie #film #cinemania #riddles
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Calculate the number 2761

NUMBERMANIA: Calculate the number 2761 using numbers [6, 5, 3, 8, 96, 335] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 2358

NUMBERMANIA: Calculate the number 2358 using numbers [7, 6, 4, 2, 23, 363] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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Calculate axb

Look at the series (314, 412, a, 832, 848, b, 8480), determine the pattern, and calculate axb.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #math
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What number comes next?

Look at the series, determine the pattern, and find the value of the unknown number!
Correct answers: 34
The first user who solved this task is Sanja Šabović.
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#brainteasers #math
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Find number abc

If 2b89c + b8ac5 = c30c2 find number abc. Multiple solutions may exist.
Correct answers: 35
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Aero-engine

In 1880, Colonel Beaumont's air-engine for propelling railway carriages was successfully tried at Woowich (a little steam is used). His system largely employed in various ways by Paris Compressed Air company was described to the British Association at Newcastle-upon-Tyne (Sep 1889).[* p.30]
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