The more of this there is, the less you see. What is it?

The dirtier I get, the whiter I look. Who am I?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

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

What has many keys but can’t open a single lock?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?