BRAIN TEASERS
The Most Difficult Tasks (page 114)

The Most Difficult Tasks (page 114)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1131 to 1140.
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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: 2
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#brainteasers #mastermind
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Find number abc

If 3915c + 1abaa = 511cb find number abc. Multiple solutions may exist.
Correct answers: 2
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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: 2
CHECK ANSWER
#brainteasers #mastermind

One day a man spotted a lamp b...

One day a man spotted a lamp by the roadside. He picked it up, rubbed it vigorously, and a genie appeared.
"I'll grant you your fondest wish," the genie said.
The man thought for a moment, then said, "I want a spectacular job, a job that no man has ever succeeded at or has ever even dared try."
"Poof!" said the genie. "You're a housewife."
Jokes of the day - Daily updated jokes. New jokes every day.
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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: 2
CHECK ANSWER
#brainteasers #mastermind
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 8, 11, 25, 26, 29, 51, 52, 55) 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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Find number abc

If a4a6b - 2146a = c3293 find number abc. Multiple solutions may exist.
Correct answers: 2
CHECK ANSWER
#brainteasers #math
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Find number abc

If 2232a + 678ba = 90bc0 find number abc. Multiple solutions may exist.
Correct answers: 2
CHECK ANSWER
#brainteasers #math
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Find number abc

If 7828c - b02ab = 180a3 find number abc. Multiple solutions may exist.
Correct answers: 2
CHECK ANSWER
#brainteasers #math
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Find number abc

If 8acb0 + c6baa = 1601ca find number abc. Multiple solutions may exist.
Correct answers: 2
CHECK ANSWER
#brainteasers #math
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (2, 3, 6, 24, 25, 28, 29, 69, 70, 73) 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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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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Mars Pathfinder problem

In 1997, NASA scientists brainstormed to fix problems that left Mars Pathfinder's robot rover stuck aboard the lander.dt
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