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

The more you take me, the more you leave me behind.
Who Am I?

What can you catch but never throw?

What building has the most stories?

I taste better than I can smell. 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?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

John was piloting a plane behind a car but was never able to overtake it. Why?