Logical Series

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.




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A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

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What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

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Eight Chelsea player makes the following statements :

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Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki