Can you replace the question mark with a number?
[6462] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 91 - The first user who solved this task is Fazil Hashim
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 91
The first user who solved this task is Fazil Hashim.
#brainteasers #math #riddles
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Cowboy Boots

A lady went into a bar in Waco and saw a cowboy with his feet propped up on a table. He had the biggest boots she'd ever seen.
The woman asked the cowboy if it's true what they say about men with big feet are well endowed.
The cowboy grinned and said, "Shore is, little lady. Why don't you come on out to the bunkhouse and let me prove it to you?"
The woman wanted to find out for herself, so she spent the night with him.
The next morning she handed him a $100 bill.
Blushing, he said, "Well, thankee, ma'am. Ah'm real flattered. Ain't nobody ever paid me fer mah services before."
"Don't be flattered. Take the money and buy yourself some boots that fit."     

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John Landen

Died 15 Jan 1790 at age 70 (born 23 Jan 1719).British mathematician who made important contributions on elliptic integrals. As a trained surveyor and land agent (1762-88), Landen's interest in mathematics was for leisure. He sent his results on making the differential calculus into a purely algebraic theory to the Royal Society, and also wrote on dynamics, and summation of series. Landen devised an important transformation, known by his name, giving a relation between elliptic functions which expresses a hyperbolic arc in terms of two elliptic ones. He also solved the problem of the spinning top and explained Newton's error in calculating the precession. Landen was elected a Fellow of the Royal Society in 1766. He corrected Stewart's result on the Sun-Earth distance (1771).
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