Puzzle 133 - Double your money!

 A magician standing next to a bridge offers to double the money to a man. But he also charges 40$ for crossing the bridge. The man happily agrees and keeps crossing the bridge. 

But sadly after the third time he crossed the bridge, the man notices that he has only 40$ left in his pocket which he has to give to the magician. How much money did the man have originally?

 

 

 Answer : 35 dollars.

• He had 35 dollars and the magician gave him 70  dollars after crossing the bridge. The man gave him 40$ as crossing fee.
• Now he has 30 dollars. After he crossed the bridge, the magician gave him 60 dollars out of which man gave the magician 40 dollars. 
• Now he has only 20 dollars left and when he crossed the bridge third time, magician gave him 40 dollars and man had to give all of it to magician.