I have branches, but no fruit, trunk or leaves. What am I?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

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

Which number should replace the question mark?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

No matter how little or how much you use me, you change me every month. What am I?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

How is the moon similar to a dollar?

Can you find the 09 errors in the picture below?