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

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

What can jump higher than a building?

What is the Surname of Barbie Doll?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

How can you drop a raw egg from a height onto a concrete floor without cracking it?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

I travel all around the world but always stay in the corner. What am I?