This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

I have teeth but i don't bite. Who Am I ?

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?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

People put me on the table and cut me but do not eat me. What am I?

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