BRAIN TEASERS
Math (page 289)

Math (page 289)

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 2881 to 2890.
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Calculate the number 9425

NUMBERMANIA: Calculate the number 9425 using numbers [7, 8, 9, 1, 46, 583] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 35
The first user who solved this task is Roxana zavari.
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 899
The first user who solved this task is Djordje Timotijevic.
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Mathematical Puzzle: IF 23+4...

Mathematical Puzzle: IF 23+478-593=5.588 and 1389+99-29=34.364 THEN 87+57-56=?
Correct answers: 16
The first user who solved this task is Erkain Mahajanian.
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#brainteasers #math #riddles

Having lunch one day, a sex th...

Having lunch one day, a sex therapist said to her friend, "According to a survey we just completed, ninety percent of all people masturbate in the shower. Only ten percent of them sing."
"Really?" asked the friend.
The therapist shook her head and proceeded to ask, "And do you know what song they sing?"
The friend nodded her head and replied, "No."
The therapist replied, "I didn't think so."
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 373
The first user who solved this task is Roxana zavari.
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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 (6, 20, 23, 26, 27, 28, 29, 33, 39, 42, 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: 44
The first user who solved this task is On On Lunarbasil.
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#brainteasers #math #magicsquare
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Replace the letters with num...

Replace the letters with numbers to make this a valid mathematical equation. Find the value of RECTOR.
Correct answers: 22
The first user who solved this task is Roxana zavari.
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#brainteasers #math
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Find the area (A=?) of the s...

Find the area (A=?) of the shaded square if length of red line p=51. Express result to the accuracy of 3 decimal.
Correct answers: 39
The first user who solved this task is Manguexa Wagle.
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#brainteasers #math #riddles
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Find number abc

If caa24 - c27bc = 38ab find number abc. Multiple solutions may exist.
Correct answers: 69
The first user who solved this task is Roxana zavari.
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#brainteasers #math
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 639
The first user who solved this task is Donya Sayah30.
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#brainteasers #math #riddles
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What 5-digit number satisfies the following requirements?

What 5-digit number satisfies the following requirements? 1. No zeroes; 2. First two digits are the same; 3. Fourth digit is twice the first; 4. Last digit is twice the third; 5. Sum of all digits is 18
Correct answers: 127
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #riddles
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Jean-Martin Charcot

Died 16 Aug 1893 at age 67 (born 29 Nov 1825). French founder (with Guillaume Duchenne) of modern neurology and one of France's greatest medical teachers and clinicians. Although he was a nineteenth century scientist, his influence carried on into the next century, especially in the work of some of his well-known students (Binet and Sigmund Freud). In 1882, he established a neurological clinic at the Salpêtrière Hospital, Paris, that was unique in Europe. He was first to describe the degeneration of ligaments and joint surfaces due to lack of use or control, now called Charcot's joint. He did research to determine the parts of the brain responsible for specific nerve functions and discovered the importance of small arteries in cerebral hemorrhage.
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