What number should replace the question mark in the following series? 9.8 , ? , 8.9 , 11.6 , 8 , 12.5 9.8, \, ?, \, 8.9, \, 11.6, \, 8, \, 12.5 9.8 , ...
Question
What number should replace the question mark in the following series?
What number should replace the question mark in the following series?