Why Wine Glass Stem is so long?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

How is a fly different from a mosquito?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

In the picture given below, can you find out which digit will take place of the question mark?

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

What is the word or phrase?

There is a place where if I stand up straight, I will still be considered sideways.

What goes up but never comes down?