BRAIN TEASERS
The Most Difficult Tasks (page 118)

The Most Difficult Tasks (page 118)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1171 to 1180.
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Find number abc

If ac9b8 - 4914b = 2aac8 find number abc. Multiple solutions may exist.
Correct answers: 2
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Calculate the number 9040

NUMBERMANIA: Calculate the number 9040 using numbers [1, 3, 9, 7, 53, 986] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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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 (11, 14, 18, 27, 30, 34, 36, 65, 68, 72) 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: 2
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#brainteasers #math #magicsquare

Zach Galifianakis: Waking Up With an Erection

Guys, have you ever woken up with an erection, and then you realize youre just in a massage chair in a Brookstone?
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Calculate the number 2907

NUMBERMANIA: Calculate the number 2907 using numbers [7, 3, 7, 4, 12, 979] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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Calculate the number 1713

NUMBERMANIA: Calculate the number 1713 using numbers [6, 3, 4, 2, 54, 137] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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Find number abc

If ba42c - 70baa = 205a7 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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Find number abc

If 7b2c3 - ac210 = 1a083 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (3, 4, 6, 14, 17, 18, 20, 21, 22, 24) 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: 2
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 3077

NUMBERMANIA: Calculate the number 3077 using numbers [9, 1, 2, 5, 92, 607] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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Calculate the number 4953

NUMBERMANIA: Calculate the number 4953 using numbers [4, 1, 1, 8, 98, 979] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania
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William John Macquorn Rankine

Born 5 Jul 1820; died 24 Dec 1872 at age 52. Scottish engineer and physicist and one of the founders of the science of thermodynamics, particularly in reference to steam-engine theory. As the chair (1855) of civil engineering and mechanics at Glasgow, he developed methods to solve the force distribution in frame structures. Rankine also wrote on fatigue in the metal of railway axles, on Earth pressures in soil mechanics and the stability of walls. He was elected a Fellow of the Royal Society in 1853. Among his most important works are Manual of Applied Mechanics (1858), Manual of the Steam Engine and Other Prime Movers (1859) and On the Thermodynamic Theory of Waves of Finite Longitudinal Disturbance.
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