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

Home > Numbers
Sums and Letters (Posted on 2005-04-27) Difficulty: 2 of 5
I wrote down five different two-digit numbers:

  • My age
  • My house number
  • The sum of those first two numbers
  • The difference between those first two numbers
  • Half of one of those first four numbers

I chose to write down the names of the numbers in letters rather than use digits (e.g. "thirty six").
Surprisingly, I noticed that each of the five numbers had the same number of letters in its name.

What were the last three numbers I wrote?

No Solution Yet Submitted by Sam    
Rating: 3.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Hints/Tips Initial Workings | Comment 1 of 13

One of these 4 sets contain all the 5 numbers

{13 14 18 19 41 42 46 51 52 56 61 62 66}

{17 21 22 26 31 32 36 44 45 49 54 55 59 64 65 69 81 82 86 91 92 96}

{24 25 29 34 35 39 43 47 48 53 57 58 63 67 68 71 72 76 84 85 89 94 95 99}

{23 27 28 33 37 38 74 75 79 83 87 88 93 97 98}

 


  Posted by Syzygy on 2005-04-27 13:37:54
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information