Which city is three-fifths chick two third cat and 50% goat?

Find out the missing number in the picture attached:

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

What can go up a chimney down, but can’t go down a chimney up?

The more you take me, the more you leave me behind.
Who Am I?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

What goes up but never comes down?