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I came across this the other day, and was wondering if someone could help me. in a jackpot lottery, 1000 numbers are drawn from a barrel containing the 60,000 ticket numbers available. After all 1000 prize winning numbers are drawn they are returned to the barrel and a jackpot number is drawn...

I was just wondering if someone would be able to help me with this question which i found the other day (sorry for the length): "A farmer wishes to build a silo. The shape of the silo must be cylindrical with a conical "cap". The height of the cone is to be equal to the radius of it's base...