Which of the following numbers will replace the question mark (?) in the given series?
?, 11, 35, 107, 323
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 3.
The series follows this pattern:
3 + 8 = 11, 11 + (8 × 3) = 35, 35 + (24 × 3) = 107, 107 + (72 × 3) = 323