“I forgot to ask for your phone number, Julia,” shouted Roger desperately running after the bus that was pulling away from the airport terminal.
“It has three sixes, two two’s, and two nines,” shouted Julia back through the window as the bus accelerated beyond hearing distance.
Roger stopped running, pulled out a notebook, wrote down the information and began scratching his head.
Roger had been so absorbed in conversation with Julia since they sat next to each other on the plane, that asking for her phone number had completely slipped his mind.
Now to start dialing…
How many phone numbers will Roger have to dial to get hold of Julia?