All about
flooble

fun stuff

Get a free chatterbox

Free JavaScript

Avatars
perplexus
dot
info
Home
>
Probability
(sod(x))^2 = x+2 (
Posted on 20110126
)
Determine the probability that for a base ten positive integer x chosen at random from 1 to 9999 inclusively, this relationship is satisfied: (sod(x))
^{2}
= x+2, where sod(n) denotes the sum of the digits in the base ten representation of n.
No Solution Yet
Submitted by
K Sengupta
No Rating
Comments: (
You must be logged in to post comments.
)
Subject
Author
Date
a simple proof
Ady TZIDON
20110127 08:23:46
solution using QuickBasic
Charlie
20110126 15:37:33
Solution (Using Excel)
hoodat
20110126 14:38:40
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 (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
blackjack
flooble's webmaster puzzle
Copyright © 2002  2018 by
Animus Pactum Consulting
. All rights reserved.
Privacy Information