What should come in place of the question mark (?) in the following series?
800, 700, 600, 500, 400, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 300.
Given series: 800, 700, 600, 500, 400, ?
800 - 100 = 700, 700 - 100 = 600, 600 - 100 = 500, 500 - 100 = 400, 400 - 100 = 300