4  14  36  114  460

2   a   b    c    d   e

Find the value of e

1) 1200
2) 2246
3) 2062
4) 1060

6, 11, 21, 36, 56, (...)
(1) 42
(2) 51
(3) 81
(4) 91

1, 6, 13, 22, 33, (...)
(1) 44
(2) 45
(3) 46
(4) 47

What should come at the place of question mark (?) in the following number series? 
2, 6, 20, 42, 110, ?

1) 150
2) 156
3) 162
4) 170