In 1914, the Government of India started publishing returns of Insurance Companies in India.
124, 128, ?, 135, 110, 146
5, 5, 15, 75, ?, 4725
4, 6, 12, 30, ?, 315, 1260
8, 58, 75, 94, 115, ?
161 173 191 215 245 ?
...123, 122, 114, 87, ?, -102
6400, 1600, ?, 80, 16, 4
9 14 38 129 ? 2705 16260
...What will come in place of the question mark (?) in the following series?
2.5, 6.5, 18.5, 54.5, 162.5, 486.5, ?
32, 64, 144, ?, 990, 2970
