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Convergence articles

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Subtitled How an Ancient Brotherhood Cracked the Code of the Universe and Lit the Path from Antiquity to Outer Space, this is a book of entertaining stories more so than scholarly research.
There is a round fish pond of certain dimensions, and into the pond is dropped a marble column. How high will the water rise?
Determine the different values of x, when a certain function hits a minimum.
A certain man says that he can weigh any amount from 1 to 40 pounds using only 4 weights. What size must they be?
One person possesses 7 asavas horses, another 9 hayas horses, and another 9 camels. Each gives two animals away, one to each of the others.
I was employed to survey a field, which I was told was an exact geometrical square, but by reason of a river running through it, I can only obtain partial measurements.
The sum of the two digits of a 2-digit number is 9. If 45 is subtracted from the number, the result will be expressed by the digits in reverse order. Find the number.
There are two piles, one containing 9 gold coins, the other 11 silver coins.
A description of a long-running conference in which undergraduate mathematics students gather to share their research on the history of mathematics.
If you are h feet tall and walk all the way around the Earth, keeping to the same circumference, how much farther has your head gone than your feet when you complete the journey?

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