Which word does the below Plexor means ?

I am the fastest animal but cannot climb the tree. What am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

How can a man go eight days without sleep?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

What is black when you buy it, red when you use it, and gray when you throw it away?

I don't get anymore wetter, no matter how much rain falls on me.

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

There is something which is always coming but never arrives?