Series Completion

1.120, 99, 80, 63, 48, ?

35 38 39 40

2. 589654237, 89654237, 8965423, 965423, ?

58965 65423 89654 96542

3.3, 10, 101,?

10101 10201 10202 11012

4.125,80,45,20,?

5 8 10 12

5.In the series 2, 6, 18, 54, ...... what will be the 8th term ?

4370 4374 7443 7434