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

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

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

What is the Surname of Barbie Doll?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

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

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

What jumps when it walks and sits when it stands?

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?