Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

What has to be broken before you can use it?

What occurs twice in a week, once in a year but never in a day?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Can you replace the question mark with the correct number in the below table sequence?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Find the next number in the series below

21 32 54 87 131 ?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What is the coolest letter in the alphabet?