I think the ultimate question is answered as mentioned before in hitchhikers guide. the answer is 42. some things also perhaps relevant to that.
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Lewis Carroll's Alice's Adventures in Wonderland has 42 illustrations.
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When the growing numbers of Large Hadron Collider scientists acquired more office space recently, they named their new complex Building 42.
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The atomic bomb that devastated Nagasaki, Japan, contained the destructive power of 42 million sticks of dynamite.
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The office of Google's chief executive Eric Schmidt is called Building 42 of the firm's San Francisco complex.