BRAIN TEASERS
The Most Difficult Tasks (page 62)

The Most Difficult Tasks (page 62)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 611 to 620.
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (18, 19, 21, 25, 26, 28, 45, 46, 47, 48, 53, 62) 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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Find number abc

If 1773c + a16bb = 5ca27 find number abc. Multiple solutions may exist.
Correct answers: 0
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Calculate the number 1048

NUMBERMANIA: Calculate the number 1048 using numbers [7, 2, 8, 5, 64, 101] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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How Do You Like Your Steak

Waiter: How do you like your steak, sir?
Sir: Like winning an argument with my wife.
Waiter: Rare it is.

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Find number abc

If b383b + 35a1a = 10c04c find number abc. Multiple solutions may exist.
Correct answers: 0
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Calculate the number 469

NUMBERMANIA: Calculate the number 469 using numbers [2, 8, 9, 3, 63, 347] 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 (9, 12, 17, 19, 20, 23, 27, 39, 42, 49, 51, 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If 945a9 + c3c88 = cbaa6a find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Calculate the number 388

NUMBERMANIA: Calculate the number 388 using numbers [6, 6, 4, 3, 70, 118] 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 7b13a - bb6a5 = a9ac9 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Find number abc

If 6c6a1 + 6148b = 12a1c1 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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First animal blood transfusion

In 1666, the English physician, Samuel Pepys, made an record in his diary describing Richard Lower making the first documented blood transfusion. “Dr. Croone told me ... there was a pretty experiment of the blood of one dogg let out, till he died, into the body of another on one side, while all his own run out on the other side. The first died upon the place, and the other very well and likely to do well. This did give occasion to many pretty wishes, as of the blood of a Quaker to be let into an Archbishop and such like; but, as Dr. Croone says, may, if it takes, be of mighty use to man's health, for the amending of bad blood by borrowing from a better body.”Two days later, 16 Nov, Pepys noted meeting with Robert Hooke and hearingthe dog was “very well, and like to be so as ever, and doubts not its being found of great use to men.”
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