What is the next number in the series?

15 29 56 108 208 ?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

What number when divided in half becomes zero?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

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

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

I cannot talk, but I always reply when spoken to. What am I?

Can you find out the number that should replace the question mark with a valid reason?

Can you write down eight eights so that they add up to one thousand?