1. "You remember that teaser about dividing a big number, Dad?" Steve asked. "I've got another one with this serial number." Tom looked up. "So you've got an eight digit number now. What's the idea?" "A good one," the boy replied. "To divide it by 68 you just add one, and then remove the first pair of digits." As simple as that! What was Steve's number?

79278348

64845775

59880596