Which of the following numbers will replace the question mark (?) in the given series?
314, 285, 308, ?, 306, 293, 304
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4. i.e. 289.
The series follows this pattern:
314 - 29 = 285, 285 + 23 = 308, 308 - 19 = 289, 289 + 17 = 306, 306 - 13 = 293, 293 + 11 = 304