What is the next number in this series?

4,12,84,3612....

Can you count the number of triangles inside a triangle?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Decode this picture on T-Shirt and tell what it says ?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

I don't get anymore wetter, no matter how much rain falls on me.

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

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?