Which number will complete the series?
14, 27, 52, 101, 198, ?
381
395
391
394
C.
14 x 2 - 1 = 2727 x 2 - 2 = 5252 x 2 - 3 = 101101 x 2 - 4 = 198198 x 2 - 5 = 391