Number Series -SBI PO Prelims Exam 29th April 2017 (2nd slot):

SBI Po prelims  no series slot 2 

 6, 7, 16, 51, ? 1045

  ×1+1, ×2+2, ×3+3, ×4+4

Ans: 208

 16, 25, 50, 99, 180, ?

 Difference of:  32, 52, 72, 92, 112

Ans: 301

4, 7, 17, 41, 86, ?

 Difference of Difference is 7, 14, 21

Ans: 152

 72, 79, 65, 93, 37, ?

 Difference +7, -14, +28, -56

Ans: 149

12, 7, 8, 13, 27, ?

  ×0.5+1, ×1+1, ×1.5+1, ×2+1, x2.5+1

Ans: 68.5