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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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (7, 10, 17, 20, 23, 26, 33, 42, 46, 49, 56, 57) 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: 2
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 6875c + 8bb9a = 1c88c7 find number abc. Multiple solutions may exist.
Correct answers: 11
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Calculate the number 5262

NUMBERMANIA: Calculate the number 5262 using numbers [9, 9, 4, 3, 67, 390] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania

A Texan farmer goes to Austral...

A Texan farmer goes to Australia for a vacation.
There he meets an Aussie farmer and gets talking.
The Aussie shows off his big wheat field and the Texan says, "Oh! We have wheat fields that are at least twice as large."
Then they walk around the ranch a little, and the Aussie shows off his herd of cattle. The Texan immediately says, "We have longhorns that are at least twice as large as your cows."
The conversation has, meanwhile, almost died when the Texan sees a herd of kangaroos hopping through the field. He asks, "And what are those?"
The Aussie replies with an incredulous look, "Don't you have any grasshoppers in Texas?"
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Find number abc

If cb4a4 + bc22a = 110b12 find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Calculate the number 5464

NUMBERMANIA: Calculate the number 5464 using numbers [9, 6, 9, 4, 40, 295] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Djordje Timotijevic.
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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 (4, 5, 6, 9, 10, 11, 14, 16, 17, 20) 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: 14
The first user who solved this task is NĂ­lton CorrĂȘa De Sousa.
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#brainteasers #math #magicsquare
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Find number abc

If ca63a - 62b6b = 3257a find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Calculate the number 1066

NUMBERMANIA: Calculate the number 1066 using numbers [3, 8, 7, 3, 10, 341] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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Find number abc

If 4a3ca + cab32 = 1b83a1 find number abc. Multiple solutions may exist.
Correct answers: 20
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Calculate the number 1121

NUMBERMANIA: Calculate the number 1121 using numbers [7, 3, 3, 5, 88, 870] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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Henri Dutrochet

Born 14 Nov 1776; died 4 Feb 1847 at age 70.Rene-Joachim-Henri Dutrochet was a French physiologist who discovered and coined the name for (1863) osmosis, the process in which a solvent passes through a semipermeable membrane into a region of greater solute concentration, thus equalizing concentrations on either side of the membrane. He also studied development of eggs of birds. He was the first to recognize that the take-up of carbon dioxide by plant cells depends on their green pigment. The light sensitivity, and geotropism of plants also drew his interest. He was one of the most successful champions, in animal as well as vegetable physiology, of the modern ideas which displaced the old vitalistic school of thought after 1820.«
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