BRAIN TEASERS
The Most Difficult Tasks (page 52)

The Most Difficult Tasks (page 52)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 511 to 520.
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Calculate the number 627

NUMBERMANIA: Calculate the number 627 using numbers [3, 2, 3, 4, 94, 130] 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 9c267 + caa2b = 1c3ba7 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 1576

NUMBERMANIA: Calculate the number 1576 using numbers [2, 9, 6, 4, 28, 142] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania

Tom Papa: Guy in a Speedo

The only thing creepier than seeing a guy in a Speedo is seeing a guy in a Speedo staring back at you.
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (4, 8, 9, 28, 32, 33, 42, 46, 47, 62, 98) 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
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Find number abc

If 1587b + 7a7ab = bc628 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 738

NUMBERMANIA: Calculate the number 738 using numbers [9, 1, 2, 4, 40, 756] 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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Calculate the number 3214

NUMBERMANIA: Calculate the number 3214 using numbers [6, 9, 6, 8, 17, 375] 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 (7, 10, 14, 19, 22, 26, 39, 42, 46, 87) 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 9b263 + 2acba = bb8a80 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 1829

NUMBERMANIA: Calculate the number 1829 using numbers [1, 1, 6, 5, 94, 210] 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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John Fitch

Died 2 Jul 1798 at age 55 (born 21 Jan 1743). American pioneer of steamboat transportation who produced serviceable steamboats before Robert Fulton. Fitch found private support, then rapidly built an engine with features of both Watt's and Newcomen's steam engines. He moved from mistake to mistake until he'd made our first steamboat. It was an odd machine - driven by a rack of Indian-canoe paddles. Yet, by the summer of 1790, Fitch used it in a successful passenger line between Philadelphia and Trenton. On 26 Aug 1791, John Fitch was granted a U.S. patent for the steamboat. He logged thousands of miles at six to eight mph carrying passengers that summer. However, it was not a commercial success, and a few years later, broken by failure, an alcoholic, he turned to suicide with opium pills.
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