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

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

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

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?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

Which is the smallest number that you can write using all the vowels exactly once?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

Can you tell a 3D object that has just two surfaces?

My location can be determined by the below rebus.
So where am i ?