Select the number from among the given options that can replace the question mark (?) in the following series.
4, 14, 34, 64, ?, 154
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e., 104.
4 + 10 = 14, 14 + 20 = 34, 34 + 30 = 64, 64 + 40 = 104, 104 + 50 =154