Find the missing number in the following series out of four options. 18, 30, 48, 72, 96,______

Answer 1

List of numbers 18 30 48 72 96 ?

Difference of numbers 12 18 24 24 24

Difference of Differences 6 6 0 0

If the trend is the difference of differences and a since 6 is a difference of differences twice, there perhaps 0 is to be repeated as the difference of differences a second time, then

The unknown numbers is calculated as ? - 96 = 24 or the missing number (?) = 120