BRAIN TEASERS
Math

Math

These are fun math riddles. All of these tricky riddles are based on real math concepts and can be solved with purely math and logic. These are the tasks listed 1 to 10.
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Calculate the number 1015

NUMBERMANIA: Calculate the number 1015 using numbers [2, 1, 8, 9, 84, 933] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania
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Find number abc

If 72315 + 131c1 = c5b9a find number abc. Multiple solutions may exist.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 511

NUMBERMANIA: Calculate the number 511 using numbers [4, 1, 3, 7, 78, 597] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania

Food

A woman asks her husband if he'd like some breakfast. "Would you like bacon and eggs, perhaps? A slice of toast and maybe some grapefruit and coffee?" she asks.
He declines. "Thanks for asking, but I'm not hungry right now. It's this Viagra," he says. "It's really taken the edge off my appetite."
At lunch time, she asks if he would like something. "A bowl of soup, homemade muffins, or a cheese sandwich?" she inquires. He declines. "The Viagra," he says, "really trashes my desire for food."
Come dinnertime, she asks if he wants anything to eat. "Would you like a juicy porterhouse steak and scrumptious apple pie? Or maybe a rotisserie chicken, or tasty stir fry?" He declines again. "Nah, still not hungry."
"Well," she said, "would you mind letting me up? I'm starving."         

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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (10, 12, 13, 15, 16, 21, 24, 50, 51, 59, 78) 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: 6
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If cbca3 - a7373 = 38ab0 find number abc. Multiple solutions may exist.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 973

NUMBERMANIA: Calculate the number 973 using numbers [7, 6, 8, 2, 89, 183] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania
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Find number abc

If abc3c - aab60 = a87c find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 1618

NUMBERMANIA: Calculate the number 1618 using numbers [7, 2, 9, 5, 14, 704] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
The first user who solved this task is Nílton Corrêa de Sousa.
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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 (25, 26, 29, 30, 34, 38, 65, 66, 74, 86) 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: 5
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If 82ab0 - 10bb8 = c1b92 find number abc. Multiple solutions may exist.
Correct answers: 12
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Jumbo Jet

In 1970, the first wide body jet was put into service as the Pan American Airways Boeing 747 flew its first flight between from New York's John F. Kennedy Airport and Heathrow Airport in London, England. This "jumbo jet" had a cabin almost twice as wide as a 707 and a length of 231 feet. The cockpit and first-class section were above the first floor of passengers. With the ability to carry more than 400 passengers more than 5,500 miles, the 747 opened up economic long-distance travel to the masses.
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