Three men go to a hotel room to stay and the cost for the room is $30 per night. They each put $10 on the table, which the bellboy collects and takes to the till. The hotel manager informs the bellboy that the bill should only have been for $25 and returns $5 to the bellboy in $1 bills. On the way back to the room the bellboy realizes that he cannot divide the bills equally between the men. As they didn’t know the total of the revised bill, he dishonestly decides to put $2 in his own pocket and give each of the men $1.

Now that each man has been given a dollar back, each of the men has paid $9. Three times 9 is 27. The bellboy has $2 in his pocket. Two plus 27 is $29. The men originally handed over $30.

Where is the missing dollar?

Enjoy!