Question

Select the option for "?" that continues the pattern in each question.

(1.) 3, -6, 12, 4, 20, ?

(2.) 7, 16, 8, 27, 9, ?

(3.) 2, 7, 26, 101, 400, ?

(4.) 7, 21, 8, 72, 9, ?

Answer 1

1. 13
2. 9 or 38 not really sure
3.1595
4.. 810