Logical Series

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

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




Similar Riddles

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?

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You need to arrange three 7 and mathematical symbols to form number 1?

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Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Make the Square

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Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

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A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

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When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

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Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

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Replace the question mark with the correct number below.

Tree Problem

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A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

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A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

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Amazing Facts

Crossword

The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.