In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 544, 509, 474, 439, . . .What number should come next?
Answer: A. 404
This is a simple subtraction series. Each number is 35 less than the previous number. (544 - 35 = 509) (509 - 35 = 474) (474 - 35 = 439) (439 - 35 = 404)...