Find the last number in the series below:

voN luJ yaM raM ---

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Replace the question mark in the picture below.

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

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

which number am I?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you count the number of lines in the below picture?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?