Select the number from among the given options that can replace the question mark
(?) in the following series.
361, 323, 285, 247,?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 209.
Given series: 361, 323, 285, 247,?
The series follows this pattern:
361 - 38 = 323; 323 - 38 = 285; 285 - 38 = 247; 247 - 38 = 209