RRB NTPC CBT I 29 Dec 2020 Shift 1 Paper

© examsiri.com
Question : 98 of 100
 
Marks: +1, -0
Select the number cluster from among the given options that can replace the question mark (?) in the following series.
2-4-6-8; 3-6-9-12; 4-8-12-16; ?
Go to Question: