Find the required number
Algebra
Level
pending
There exists exactly one five digit number: ABCDE, such that, ABCDE × 4 = EDCBA
Find the number
The answer is 21978.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
2 1 9 7 8 × 4 = 8 7 9 1 2