Before Mount Everest was discovered, what was the highest mountain in the world?

What has one letter and starts with an E?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

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?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

O_er_t_o_

Complete the missing letters of the given word.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.