When 99 is considered higher than 100?

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

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Move three sticks of the spiral below to form a square.

What is harder to catch the faster you run?

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?

In the Wild West, you are challenged into a death match by two bounty hunters nicknamed Golden Revolver (GR) and Killer Boots (KB). You accept the challenge. None of you want to waste any of the bullet and so a certain rules are laid down:

1) All of you will shoot in a given order till the last man standing.
2) Each of you shoots only once upon his turn.
3) If any one of you is injured, the other two will finish him off with an iron rod.
4) The worst shooter of all (which is you) shoots first and the best one shoots at the last.

Now, how will you plan things if you know that you hit every third shot of yours, KB hits every second shot and GR hits every shot ?

How can you take 2 from 5 and leave 4?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?