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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Find number abc

If 57570 - aab6b = 2bc06 find number abc. Multiple solutions may exist.
Correct answers: 5
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 341

NUMBERMANIA: Calculate the number 341 using numbers [3, 2, 4, 5, 96, 493] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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Find number abc

If c3312 - 12bb4 = b07ba find number abc. Multiple solutions may exist.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math

Never been to a strip club

A wife decides to take her husband to a strip club for his birthday. They arrive at the club and the doorman says, “Hey, Dave! How ya doin'?”

His wife is puzzled and asks if he's been to this club before.

“Oh, no,” says Dave. “He's on my bowling team.”

When they are seated, a waitress asks Dave if he'd like his usual and brings over a Budweiser.

His wife is becoming increasingly uncomfortable and says, “How did she know that you drink Budweiser?”

“She's in the Ladies' Bowling League, honey. We share lanes with them.”

A stripper then comes over to their table, throws her arms around Dave, and says “Hi Davey. Want your usual lap dance, big boy?”

Dave's wife, now furious, grabs her purse and storms out of the club.

Dave follows and spots her getting into a cab. Before she can slam the door, he jumps in beside her. He tries desperately to explain how the stripper must have mistaken him for someone else, but his wife is having none of it. She is screaming at him at the top of her lungs, calling him every name in the book.

The cabby turns his head and says, “Looks like you picked up a real bitch tonight, Dave.”

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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #riddles
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Calculate A*B*C*D

Look at the series (3, B, 22, 42, 83, 133, D, 302, 427, C, A, 970, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B*C*D!
Correct answers: 2
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 927

NUMBERMANIA: Calculate the number 927 using numbers [3, 4, 7, 7, 73, 145] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
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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 (7, 8, 9, 11, 12, 13, 25, 36, 69, 70, 71, 82, 83) 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: 9
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 15
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #riddles
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Find number abc

If 4c09c + 114a8 = b8bab find number abc. Multiple solutions may exist.
Correct answers: 14
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 2230

NUMBERMANIA: Calculate the number 2230 using numbers [8, 2, 9, 5, 62, 673] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania
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NUMBERMANIA: Calculate the number 6191 using numbers [9, 3, 4, 1, 58, 472] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Max Rubner

Born 2 Jun 1854; died 27 Apr 1932 at age 77.Physiologist who showed the available energy content of food was the same whether the material was consumed organically or merely burned (1894). He determined that no single type of food produced energy, but that the body variously made ready use of carbohydrates, fats and proteins. In 1883, he used geometry to compare metabolic rates of animals of different sizes. Thus, if an animal is N times taller than another, it has surface area N2 greater and mass N3 greater. Thus total metabolic rate (dependent on heat loss over surface area, N2), would be proportional to M2/3. Specific metabolic rate (the energy burnt M2/3, per unit of mass, M) would be proportional to M1/3. It took 50 years before this simple explanation was improved.
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