Select the number from among the given options that can replace the question mark (?) in the following series.
13, ?, 25, 37, 53, 73
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e., 17.
13 + 4 = 17, 17 + 8 = 25, 25 + 12 = 37, 37 + 16 = 53, 53 + 20 = 73