PASCEL'S triangle powers of 2
Algebra
Level
2
Which row in pascels triangle adds up to 4294967296? (Second problem in a day, I know)
The answer is 32.
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
The sum of any row x is just 2 x , so if the sum of a row's numbers is 4294967296, the row number is just lo g 2 x , and lo g 2 4 2 9 4 9 6 7 2 9 6 = 3 2