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 aacb8 - ca30c = 399ba find number abc. Multiple solutions may exist.
Correct answers: 19
The first user who solved this task is Nílton Corrêa De Sousa.
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Calculate the number 4882

NUMBERMANIA: Calculate the number 4882 using numbers [7, 8, 5, 9, 43, 528] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 5
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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Find number abc

If 9b222 - 5b753 = 39ac9 find number abc. Multiple solutions may exist.
Correct answers: 19
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math

Good Question!

And Moses looked upon the Lord and said:
"We are your chosen people and you want us to cut the tips off of our WHAT?"

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Calculate the number 1100

NUMBERMANIA: Calculate the number 1100 using numbers [8, 7, 9, 3, 30, 669] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 5
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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What is the missing number?

What is the missing number?
Correct answers: 32
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #riddles
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (19, 22, 23, 24, 26, 28, 61, 64, 66, 93) 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: 10
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #magicsquare
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Find number abc

If 6c6a8 - b4393 = cba3c find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math
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What is the missing number?

What is the missing number?
Correct answers: 30
The first user who solved this task is Chandu Rajyaguru.
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#brainteasers #math #riddles
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Calculate the number 1306

NUMBERMANIA: Calculate the number 1306 using numbers [1, 8, 2, 5, 30, 388] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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Find number abc

If 6acab - ac10b = b84a0 find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math
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Marie Curie denied Academy membership

In 1911, Marie Curie's nomination to the French Academy of Sciences, having already won one Nobel Prize, was nevertheless voted down by the Academy's all-male membership. Marie Curie was one of six candidates, of which only one was to be chosen. The result was 30 votes for M. Eduoard Branly, the inventor of the coherer for wireless telegraphy, and 28 for Mme. Curie. (The Branly coherer was such a critical factor in radio communication that Marconi selected him as the man to whom he sent the first message by wireless from England to France.) After the vote, an announcement was made to state that the vote did not reflect the attitude of the academy toward the admission of women in any sense, and the election was judged on merit for recognition. Curiewent on to win a second Nobel Prize.«
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