1920 a horror story : -^&&&&&&&&&

A nine digit number is formed from 1, 2, 3, 4, 5 such that product of all the digits is always 1920. The total number of ways is 393 * P(9,r). What is the value of r r ?


The answer is 2.

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.

0 solutions

No explanations have been posted yet. Check back later!

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...