What has one letter and starts with an E?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Can you write down eight eights so that they add up to one thousand?

Count the number of triangles in the given picture.

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

A sundial has the fewest moving parts of any timepiece. Which has the most?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?