perplexus.info :: Probability : Pandigital and divisible

Pandigital and divisible (Posted on 2010-12-26)

What percentage of pandigital* numbers is divisible by 990 ?

*A pandigital number consists of 10 distinct digits.

Try to solve analytically.

See The Solution Submitted by Ady TZIDON

No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)

re: computer solution ahint for Ch

| Comment 2 of 4 |

(In reply to computer solution by Charlie)

All candidate numbers must terminate by zero.

No leading zeros- impossible'

Now it is d2

Edited on December 27, 2010, 2:30 am

Posted by Ady TZIDON on 2010-12-26 20:17:29

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info