BRAIN TEASERS
The Most Difficult Tasks (page 58)

The Most Difficult Tasks (page 58)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 571 to 580.
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Find number abc

If 9b263 + 2acba = bb8a80 find number abc. Multiple solutions may exist.
Correct answers: 0
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Calculate the number 1829

NUMBERMANIA: Calculate the number 1829 using numbers [1, 1, 6, 5, 94, 210] 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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Calculate the number 4235

NUMBERMANIA: Calculate the number 4235 using numbers [3, 1, 1, 4, 78, 981] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania

Jesus Is Watching You!

There was a burglar who broke into a home and started to gather the items he wanted to take. All of a sudden he heard, "Jesus is watching you!" He didn't see anything in the dark house, so he went on with what he was doing.
He heard, "Jesus is watching you!" again and then he really wondered who wassaying that. He turned on the flashlight, scanned the room, and finally saw a parrot.
"Did you say that?" asked the burgler.
"Yes," replied the parrot.
"By the way, what's your name?" the burgler inquired."Moses," answered the parrot.
"That's a strange name for a parrot. Who named you that?"
"The same people who named their rotweiller Jesus!"

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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (3, 4, 7, 11, 12, 14, 18, 19, 29, 69, 70, 80) 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 101a2 + 6cbcc = 7c7a1 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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Calculate the number 372

NUMBERMANIA: Calculate the number 372 using numbers [1, 4, 7, 4, 37, 121] 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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Calculate the number 760

NUMBERMANIA: Calculate the number 760 using numbers [5, 5, 8, 2, 19, 127] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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, 4, 7, 12, 13, 15, 16, 42, 43, 46) 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
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 1991

NUMBERMANIA: Calculate the number 1991 using numbers [4, 6, 6, 6, 74, 713] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 6a5c1 + 2751b = 88ab5 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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Helicopter circumnavigation flight

In 1982, H. Ross Perot and Jay Colburn completed the first circumnavigation of the world in a helicopter, the Spirit of Texas. Their journey began 29 days, 3 hours, and 8 minutes earlier on September 1. For their trip around the world, which began and ended in Fort Worth, Texas, Perot and Coburn flew a Long Ranger with full navigation equipment, survival gear, and emergency items. Pop-out floats were added, and a 151-gallon auxiliary fuel tank in place of the rear seat was used to enable the Spirit of Texas to fly eight hours without refueling. An Allison 250-C28B turbine engine performed flawlessly for 246.5 hours of flight, flying more than 10 hours a day, over open ocean, barren desert, and tropical rain forest with an average ground speed of 117 mph.
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