Calculate the number 2374
[435] Calculate the number 2374 - NUMBERMANIA: Calculate the number 2374 using numbers [7, 7, 1, 8, 11, 318] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 33 - The first user who solved this task is Sanja Šabović
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Calculate the number 2374

NUMBERMANIA: Calculate the number 2374 using numbers [7, 7, 1, 8, 11, 318] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 33
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Animal Pictures

One day the teacher decides to play an animal game. She holds up a picture of a giraffe and asks if anyone knows what it is. No one raises his/her hand. The teacher says "See it's long neck? What animal has a long neck?"
Sally holds up her hand and asks if it is a giraffe.
"Very good Sally," the teacher replies. Next she holds up a picture of a zebra. None of the students holds up his/her hands. "See the stripes on this animal? What animal has stripes?"
Billy holds up his hand and says it is a zebra. "Very good Billy," the teacher replies. Next she holds up a picture of a deer. None of the students recognized the animal.
"See the big antlers on this animal. What animal has horns like this?"
Still no one guesses. "Let me give you another hint, it's something your mother calls your father."
Johnny shouts out "I know what it is, it's a horny bastard."

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Edmund Gunter

Died 10 Dec 1626 (born 1581).English mathematician who invented many useful measuring devices, including a forerunner of the slide rule. Gunter published seven figure tables of logarithms of sines and tangents in 1620 in Canon Triangulorum, or Table of Artificial Sines and Tangents. The words cosine and cotangent are due to him. He made a mechanical device, Gunter's scale, to multiply numbers based on the logs using a single scale and a pair of dividers. He also invented Gunter's chain which was 22 yards long with 100 links. It was used for surveying and the unit of area called an acre is ten square chains. Gunter also did important work on navigation, publishing New Projection of the Sphere in 1623. He also studied magnetic declination and was the first to observe the secular variation.
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