I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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

If six children and two dogs were under an umbrella, how come none of them got wet?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

How many times can you subtract the number two from the number fifty?

I have an eye but still cannot see.

Who am I?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?