BRAIN TEASERS
The Easiest Tasks (page 627)

The Easiest Tasks (page 627)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 6261 to 6270.
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Find number abc

If aa226 - ba40a = 3c82b find number abc. Multiple solutions may exist.
Correct answers: 3
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#brainteasers #math
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Find the right 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
CHECK ANSWER
#brainteasers #mastermind
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Which is a winning combination of digits?

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
CHECK ANSWER
#brainteasers #mastermind

Little League Baseball

At one point during a game, the coach called one of his 9-year-old baseball players aside and asked, 'Do you understand what co-operation is?
What a team is?'
'Yes, coach', replied the little boy.
'Do you understand that what matters is whether we win or lose together as a team?'
The little boy nodded in the affirmative.
'So,' the coach continued, 'I'm sure you know, when an out is called, you shouldn't argue, curse, attack the umpire, or call him a pecker-head, dickhead or asshole. Do you understand all that?'
Again, the little boy nodded in the affirmative.
The coach continued, 'And when I take you out of the game so that another boy gets a chance to play, it's not good sportsmanship to call your coach a dumb ass or shithead is it?'
'No, coach.'
'Good', said the coach. 'Now go over there and explain all that to your grandmother!'

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Calculate the number 590

NUMBERMANIA: Calculate the number 590 using numbers [9, 1, 5, 5, 58, 531] 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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Find number abc

If ba14c - 36944 = 432a3 find number abc. Multiple solutions may exist.
Correct answers: 3
CHECK ANSWER
#brainteasers #math
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Find number abc

If c1213 + 38bcc = aaaba find number abc. Multiple solutions may exist.
Correct answers: 3
CHECK ANSWER
#brainteasers #math
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Find number abc

If bc1aa - b5b0b = 226c find number abc. Multiple solutions may exist.
Correct answers: 3
CHECK ANSWER
#brainteasers #math
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Find number abc

If 1a29c + c82b1 = 52a9a find number abc. Multiple solutions may exist.
Correct answers: 3
CHECK ANSWER
#brainteasers #math
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Calculate the number 475

NUMBERMANIA: Calculate the number 475 using numbers [1, 8, 2, 3, 40, 121] 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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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (3, 5, 6, 10, 12, 13, 48, 49, 50, 51, 54) 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
CHECK ANSWER
#brainteasers #math #magicsquare
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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.
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Taconite production

In 1933, the first cargo of taconite, a hard rock containing 25% - 30% iron, was shipped to the Ford Motor Company of River Rouge, Mich. The cargo had been produced 21 Jun 1922 by the Mesabi Iron Co. of Babbitt, Minn. The firm had begun operation in Nov 1919. Taconite is a low-grade ore containing only up to 30% magnetite and hematite as tiny particles scattered throughout a very tough variety of quartz called chert. The Mesabi Range, a giant area of low rolling hills in northeastern Minnesota is among the world's best known deposits of iron (discovered 1887). Mesabi is an Ojibwa name meaning "giant." After WW II, when other, higher grade iron ore had been depleted, an industrial method to exploit taconite ore was developed.
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