Which of the following numbers will replace the question mark (?) in the given series?
6, 8, 11, 16, ?, 34, 47, 64
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e., 23.
6 + 2 = 8, 8 + 3 = 11, 11 + 5 = 16, 16 + 7 = 23, 23 + 11 = 34, 34 + 13 = 47, 47 + 17 = 64