Find the missing number in the series: 3240, 540, 108, 27, ?, 4.5 Banking IBPS PO Prelims Easy Simplification MCQ Question Find the missing number in the series: 3240, 540, 108, 27, ?, 4.5 Options A. 12 B. 7 C. 9 D. 8 number seriesdivisionpattern recognition