How many triangles can you find in this given picture?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

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

What 5-letter word typed in all capital letters can be read the same upside down?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Prove that twice of ten is the same as twice of eleven.