What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

What has no start, end, or centre?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What is 3/7 chicken, 2/3 cat and 2/4 goat?