Question Details

Detailed explanation and options for the selected question.

Which number replaces the question mark in the series: 2, 6, 12, 20, 30, ?

A. 40
B. 42
C. 36
D. 38

Explanation:

The sequence adds consecutive even numbers: 2+4=6, 6+6=12, 12+8=20, etc. Adding 12 to 30 gives 42. Other options break the pattern.