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

How is the moon similar to a dollar?

When can we add 2 to 11 and get 1 as the correct answer?

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 can go through glass without breaking it?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Different lights make me strange by changing me into different sizes. What am I?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

What happened when the wheel was invented?