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

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

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Where do fish keep their money?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Can you place three balls such that the equation shown in the picture holds true?

A man dies of old age on his 25 birthday. How is this possible?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?