# Find the next number in the series 7726, 635, 64, 9

Find the next number in the series. 7726, 635, 64, 9

• Please check the edits people. Oct 10 '18 at 18:10
• Might want to include where you got the puzzle since (based on the screenshot) you did not create it yourself. Oct 10 '18 at 18:16
• It came in the recent qualifying aptitude question paper of the company IBM for the post of a technical consultant. Oct 10 '18 at 18:18
• This is interesting, because I have seen both your puzzle as well as the one below by searching online. Here is an example of mine and another; here is an example of yours. Indeed, there seems to be a variety of "puzzles", as here's another variation. All of them "come from IBM aptitude tests". Oct 10 '18 at 18:22
• You should charge your battery. Oct 10 '18 at 19:32

$$6^5$$, $$5^4$$, $$4^3$$, $$3^2$$, which means the next number is $$2^1 = 2$$.