What is the count of 4-bit binary positive integers with 2 one bits?
Number Theory
Level
2
This is in pencil and paper range. It is time to start considering combinations and binomial numbers though.
The answer is 6.
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 4 ) = 6
Now, go try to do What is the count of 65-bit binary positive integers with 33 one bits?