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

Home > Just Math
Deux Digit Deduction (Posted on 2015-01-21) Difficulty: 3 of 5
X = 99, Y = 9X and Z = 9Y

Find the respective last two digits of Y and Z.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution computer solution -- last 6 digits of each Comment 2 of 2 |
The easy computer way:

x=modpow(9,9,1000000)
OK
y=modpow(9,x,1000000)
OK
z=modpow(9,y,1000000)
OK
print x,y,z
 420489          177289          865289
OK

We have the last six digits of each of x, y and z.

  Posted by Charlie on 2015-01-21 12:52:16
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 (14)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information