Select the number from among the given options that can replace the question mark (?) in the following series.
86, 90, 106, 170,?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 426.
Given series: 86, 90, 106, 170,?
The series follows this pattern:
86 + 4 = 90
90 + 16 = 106
106 + 64 = 170
170 + 256 = 426
So, the next term in the series is 426.