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Predicting share prices

What will be the probability that the price of a randomly choosen share that can be bought on the euronext stock exchange in Amsterdam, starts with the digit 1? aex-index

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Self Ref

Find a number ABCDEFGHIJ such that A is the count of how many 0's are in the number, B is the number of 1's, and so on.

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Somewhere on a sphere

What is the mean distance between two randomly choosen points within a sphere of radius 1?

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