I HAVE 7 CANDLES LIT 2 BLEW OUT LI RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

He wanted to go undercover. Did you answer this riddle correctly?
YES  NO  

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  

Nothing Did you answer this riddle correctly?
YES  NO  

The sun Did you answer this riddle correctly?
YES  NO  

None. Its a hardware problem. Did you answer this riddle correctly?
YES  NO  

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

Two. One to hold the bulb and one to rotate the universe. Did you answer this riddle correctly?
YES  NO  

In a prism. Did you answer this riddle correctly?
YES  NO  

The Wizard of Paws. Did you answer this riddle correctly?
YES  NO  

That depends on the speed of the changer, and the mass of the bulb. Or vice versa, of course. Then it just might be easier to leave the bulb alone and change the room. It's all relative. Did you answer this riddle correctly?
YES  NO  

The sea-lion. Did you answer this riddle correctly?
YES  NO  

An exhaust Did you answer this riddle correctly?
YES  NO  

A frog Did you answer this riddle correctly?
YES  NO  

Candle Did you answer this riddle correctly?
YES  NO  

A candle Did you answer this riddle correctly?
YES  NO