Three lords enter a hotel. The receptionist at the front desk tells them that one room is 10 pounds so each of the gentlemen pay – 30 pounds altogether.

When the porter wants to bring the luggage to lord’s rooms, hotel director rushes in to tell him that it was supposed to be only 25 pounds for the three rooms and he gives him the extra 5 pounds to return them to lords.

The porter had no idea know how to divide 5 pounds between 3 gentlemen so he gave one pound to each of them and kept the remaining 2.

Each lord paid 9 pounds (10 originally and got one back). 3x9=27. The porter kept two pounds. 27+2=29. What happened with the remaining one pound?

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