21: The faulty odometer [***]

Wes Carroll's Puzzler by Wes Carroll

Sep 4, 20162:40Games & Hobbies

A faulty car odometer proceeds from digit 3 to digit 5, always skipping the digit 4, regardless of position. For example, after traveling one mile the odometer changed from 000039 to 000050. If the odometer now reads 001...

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