What should come in place of the question mark (?) in the following series?
255, 248, 241, 234 ,227, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 220.
Given series: 255, 248, 241, 234, 227, ?
255 - 7 = 248, 248 - 7 = 241, 241 - 7 = 234, 234 - 7 = 227, 227 - 7 = 220