3, 9, 27, 81, (...)
(1) 324
(2) 243
(3) 210
(4) 162

Find the wrong number in the series :

188, 154, 140, 132, 128 , 126, 125

1) 125
2) 154
3) 188
4) 132

How many terms are there in the series 201, 208, 215, .... 369 ?
(1) 23
(2) 24
(3) 25
(4) 26

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