1, 5, 14, 30, 55, 91, ?

1.	1, 5, 14, 30, 55, 91, ?
Answer» The pattern is + 4, + 9, + 16, + 25, + 36, ..... i.e. + 22, + 32, + 42, + 52, + 62,..... So, missing term = 91 + 72 = 91 + 49 = 140.

Discussion