In a code language, 'VEIN' is coded as XGKP and 'BONE'

There are two series I and II. Logic in both the series are different.

Series l: 3, 12, 28, 53, 89, .

315 146 267 ? 235 210

12, 24, 72, 288, 1440, ?

8    20    36     56     80    ?

35      70      105      140      175      ?

6000       3191       5216       3847       4688       4247

95 186 376 748 1500 ?

If 16 15 26 69 260 x,

Find 75% of x+ x

9 10 6 15 -1 ?

11    34    135    676    4055      ?