2 DIGIT COMBINATRICS

how many two digit number can be formed with these numbers 1,2,3,4. (repetition is allowed)


The answer is 16.

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

Lew Sterling Jr
Sep 27, 2014

Since repetition is allowed, then: 11, 12, 13, and 14; 21, 22, 23, and 24; 31, 32, 33, and 34; 41, 42, 43, and 44.

Total: 16 different 2-digit numbers

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...