A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
-33, ?, -202, -405, -1216, -2433, -7300
Show answer & explanation
Correct answer: D
Explanation
-33 × 2 - 1 = -67
-67 × 3 - 1 = -202
- 202 × 2 - 1 = - 405
- 405 × 3 - 1 = - 1216
- 1216 × 2 - 1 = - 2433
- 2433 × 3 - 1 = - 7300
Therefore, ? = -67