You measure my life in hours and I serve you by expiring.

I’m quick when I’m thin and slow when I’m fat. The wind is my enemy.

(a)  

What pulls you down,

But never goes up?

(a)  

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish.

What am I?

(a)  

What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?

(a)  

You see a boat filled with people. It has not sunk, but when you look again you don’t see a single person on the boat. Why?

(a)  

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman.

What is the word?

(a)  

I come from a mine and get surrounded by wood always. Everyone uses me.

What am I?

(a)  

Here's an easy one:

How many letters are in the alphabet?

(a)  

Continue the sequence:

EOEREXN_ _ _

(a)  

What is at the end of the rainbow?

(Same concept for 'the alphabet' question so you're gonna get this right anyway)

(a)  

The more you take, the more you leave behind.

What am I? (It's not footsteps)

(a)  

I can move really quickly.

I don't need food, but I need water.

My name can be spelled backwards, and it is the same.

What am I?

(a)  

What gets wet white drying?

(Very easy)

(a)  

What connects to people but only connects one?

(a)  

Look at this sequence from top to bottom. What are the next numbers in the sequence?

1 11 21 1211 111221 312211 ?

(a)  

What is taller than Mount Everest, but deeper than the Grand Canyon?

(a)  

I have a head, but I can't talk. I have hands, but They can't do anything. I have feet, but I can't move.

What am I?

(a)  

What is round and spins around but never moves?

(a)  

What kind of tree can you carry in your hand?

(a)