It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

You see me once in June, twice in November, and not at all in May. What am I?

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

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

How can you make number one disappear by adding something to it?

What has no start, end, or centre?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Can you make a six-letter word using the letters N, A and B ?