Which is the correct shadow of the bird?

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

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

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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

John had a bag containing colourful marbles. The colours are red, green and blue. The total number of marbles he had in his bag was 60. There are 4 times as many red marbles as green marbles. 6 more blue marbles than green marbles. How many marbles of each colour did John have?

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

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?