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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How did the man die?

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Chhote se Chintu Miyan,
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छोटे से चींटू मियाँ,
लंबी सी पूंछ।
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What kind of storm is always in a rush?

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John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

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* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

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Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.