one digit problem

Level pending

how many positive integers up to 1000 (inclusive) have one digit sum

digit sum of a integer mean "the sum of all its digit ".

for an example" the digit of 1245= 1+2+4+5=12 ( two digit sum)


The answer is 220.

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...