I have an eye but still cannot see.

Who am I?

What number when divided in half becomes zero?

Which of the below owl is odd one out?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

What begins with T, ends with T, and has T in it?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Imagine you are in a room with no windows or doors. How will you get out?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?