Which of the following numbers will replace the question mark (?) in the given series?
66, 86, 126, ?, 366
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 206.
Given series: 66, 86, 126, ?, 366
66 + 20 = 86; 86 + 40 = 126; 126 + 80 = 206; 206 + 160 = 366