What has to be broken before you can use it?

O_er_t_o_

Complete the missing letters of the given word.

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

What jumps when it walks and sits when it stands?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

How many times can you subtract the number two from the number fifty?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?