2,3,6,18,108,? | series Logical reasoning | WBCS

Complete the series by finding the missing number from the given options.

2,3,6,18,108,?

(a) 1944
(b) 1658
(c) 648
(d) 169

Correct Answer: a

Solution: 

2*3=6

3*6=18

6*18=108

18*108= 1944