All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers
Funny way to divide by seven (Posted on 2018-01-12) Difficulty: 2 of 5
"This special big number of mine allows me to get a correct answer of dividing it by 7 by simply erasing its second digit..." - declared Danny.
After a minute or two his father, W.G. quipped: "I know what digit was erased!"

Do you?
Please post your reasoning.

See The Solution Submitted by Ady TZIDON    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Analytic solutionJer2018-01-13 15:32:38
another onexdog2018-01-13 12:29:37
Solutioncomputer finding of numbers that can be divided that wayCharlie2018-01-12 19:33:39
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (6)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2018 by Animus Pactum Consulting. All rights reserved. Privacy Information