BRAIN TEASERS
The Most Difficult Tasks (page 144)

The Most Difficult Tasks (page 144)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1431 to 1440.
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Find number abc

If ab2c4 - cba46 = 5a2bb find number abc. Multiple solutions may exist.
Correct answers: 3
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Find number abc

If bb082 - a6b1c = 766a find number abc. Multiple solutions may exist.
Correct answers: 3
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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 (4, 8, 14, 19, 23, 29, 30, 34, 40, 61) 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: 3
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#brainteasers #math #magicsquare

A fellow nurse at my hospital ...

A fellow nurse at my hospital received a call from an anxious patient.
"I'm diabetic and I'm afraid I've had too much sugar today." the caller said.
"Are you light-headed?" my colleague asked.
"No," the caller answered, "I'm a brunette."
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Calculate the number 8843

NUMBERMANIA: Calculate the number 8843 using numbers [2, 9, 1, 5, 22, 794] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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#brainteasers #math #numbermania
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Calculate the number 1164

NUMBERMANIA: Calculate the number 1164 using numbers [8, 1, 1, 5, 47, 984] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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#brainteasers #math #numbermania
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 3
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#brainteasers #mastermind
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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (4, 9, 11, 12, 17, 21, 22, 23, 24, 27, 29, 67) 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: 3
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#brainteasers #math #magicsquare
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (6, 8, 10, 11, 12, 15, 31, 33, 36, 59, 97) 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: 3
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#brainteasers #math #magicsquare
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Calculate the number 329

NUMBERMANIA: Calculate the number 329 using numbers [3, 6, 9, 4, 53, 175] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
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#brainteasers #math #numbermania
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Calculate the number 1232

NUMBERMANIA: Calculate the number 1232 using numbers [3, 2, 4, 5, 67, 952] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
CHECK ANSWER
#brainteasers #math #numbermania
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Wilder Dwight Bancroft

Born 1 Oct 1867; died 7 Feb 1953 at age 85. American physical chemist who introduced a number of thermodynamic and colloid-chemical concepts into American physicochemistry.
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