Which of the following numbers will replace the question mark (?) in the given series?
8, 17, 36, ?, 154
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 75.
8 × 2 + 1= 17; 17 × 2 + 2 = 36; 36 × 2 + 3 = 75; 75 × 2 + 4 = 154