Question - Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?
A. 33
B. 53
C. 73
D. 93
Answer -
Option B
Explanation:
This is a simple subtraction series in which a random number, 93, is interpolated as every third number. In the subtraction series, 10 is subtracted from each number to arrive at the next.