A MAN IS SITTING IN A HOUSE AT NIGHT THAT HAS NO LIGHTS ON AT ALL THERE IS NO LAMP NO CANDLE NOTHING YET HE IS READING HOW RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Burn one candle from both the ends and simultaneously burn the other candle from just one end. In half an hour, the first candle would have been burnt fully and the second one would have been burnt half. Now light the other end of the second candle as well. In this way, the second candle will take only half the time (30/2 = 15) to burn fully.

Thus, you will have measured forty five minutes. Did you answer this riddle correctly?
YES  NO  

A school. Did you answer this riddle correctly?
YES  NO  

The German Did you answer this riddle correctly?
YES  NO  

He should question Mark Crimson.

? = question MARK, so the note on the door reads Question Mark Crimson. He broke your window. Did you answer this riddle correctly?
YES  NO  

A HouseFly. Did you answer this riddle correctly?
YES  NO  

Ghosts cant break their webs! Did you answer this riddle correctly?
YES  NO  

Stairs Did you answer this riddle correctly?
YES  NO  

You ring the "deer"-bell Did you answer this riddle correctly?
YES  NO  

Because they wanted to give her a housewarming. Did you answer this riddle correctly?
YES  NO  

The sun Did you answer this riddle correctly?
YES  NO  

I'm going out tonight! Did you answer this riddle correctly?
YES  NO  

By the wick! (week) Did you answer this riddle correctly?
YES  NO  

I am Hanukkah. Did you answer this riddle correctly?
YES  NO  

Gingerbread House Did you answer this riddle correctly?
YES  NO  

Bathroom Did you answer this riddle correctly?
YES  NO