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?

What do you get if you add 2 to 100 four times?

Why do you find that most of the buildings are deprived of the 13th floor?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Which alphabet letter is a question?

I have teeth but i don't bite. Who Am I ?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?