O_er_t_o_

Complete the missing letters of the given word.

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

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

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