BRAIN TEASERS
Math (page 304)

Math (page 304)

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 3031 to 3040.
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Find number abc

If a6a16 - abccc = cc7b find number abc. Multiple solutions may exist.
Correct answers: 63
The first user who solved this task is Djordje Timotijevic.
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What Comes Next in the Seque...

What Comes Next in the Sequence: 6, 15, 105, 5460, ??
Correct answers: 47
The first user who solved this task is Neelima Subrahmanyam.
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#brainteasers #math #riddles
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Calculate the number 5031

NUMBERMANIA: Calculate the number 5031 using numbers [6, 7, 4, 2, 18, 727] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 36
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania

Little Johnny was sitting in c...

Little Johnny was sitting in class doing math problems when his teacher picked him to answer a question:

"Johnny, if there were five birds sitting on a fence and you shot one with your gun, how many would be left ?"

"None.", replied Johnny. "'cause the rest would fly off."

"The correct answer is four," said the teacher. "But I like your thinking."

Little Johnny said, "I have a question for you now. If there were three women eating ice cream cones in a shop, one licking her cone, the second biting her cone, and the third one sucking her cone, which one is married ?

"Well," said the teacher nervously, "I guess the one sucking her cone?"

"No," said Little Johnny, "The one with the wedding ring on her finger. But I like the way you think!"
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Identify the next number in ...

Identify the next number in this sequence 101, 112, 131, 415, 161, 718, ...
Correct answers: 91
The first user who solved this task is Maja Inkret.
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#brainteasers #math
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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (14, 15, 18, 26, 27, 30, 47, 49, 50, 53, 67) 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: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #magicsquare
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Find number abc

If bbac5 + bbabc = 176cba find number abc. Multiple solutions may exist.
Correct answers: 63
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Which number should replace ...

Which number should replace the question mark in the circle below?
Correct answers: 233
The first user who solved this task is Neelima Subrahmanyam.
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#brainteasers #math #riddles
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Can you find the area...

There is a figure below (a rectangle). You can see different colors depicting different regions of the figure. The labels on the top of a region defines the area of that region. Can you find the area of the green shaded region labelled with a question mark?
Correct answers: 104
The first user who solved this task is Neelima Subrahmanyam.
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#brainteasers #math #riddles
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Calculate the number 1934

NUMBERMANIA: Calculate the number 1934 using numbers [7, 7, 6, 9, 23, 220] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 38
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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Can you find out the number ...

Can you find out the number of triangles in the picture given?
Correct answers: 101
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #riddles
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Sir Joseph Norman Lockyer

Died 16 Aug 1920 at age 84 (born 17 May 1836). English astronomer who in 1868 discovered and named the element helium that he found in the Sun's atmosphere before it had been detected on Earth. He also applied the name chromosphere for the sun's outer layer. Lockyer discovered, together with Pierre J. Janssen, the prominences (red flames) that surround the solar disk. He was also interested in the classification of stellar spectra and developed the meteoric hypothesis of stellar evolution. His works include the books Contributions to Solar Physics (1873), The Sun's Place in Nature (1897) and Inorganic Evolution (1900).
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