Find the wrong number in the series :

7, 28, 63, 124, 215, 342, 511

1) 7
2) 28
3) 124
4) 215

Which number would replace question mark in the series 7, 12, 19, ?, 39.
(1) 29
(2) 28
(3) 26
(4) 24

Which number would replace question mark in the series 7, 12, 19, ?, 39.
(1) 29
(2) 28
(3) 26
(4) 24