Directions—(Q. 1-5): What should come in place of the question-mark (?) in the following number series?
1. 2, 9, 28, 65, 126, ? (4)
(1) 161
(2) 151
(3) 215
(4) 217
(5) None of these
2. 35, 48, 63, 80, 99, ? (2)
(1) 110
(2) 120
(3) 140
(4) 160
(5) None of these
3. 11, 30, 67, 128, 219, ? (1)
(1) 346
(2) 291
(3) 361
(4) 441
(5) None of these
4. 6, 20, 56, 144, 352, ? (4)
(1) 768
(2) 798
(3) 632
(4) 832
(5) None of these
5. 16, 19, 23, 28, 34, 41, ? (5)
(1) 47
(2) 48
(3) 51
(4) 53
(5) None of these
