Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?
Choose the most appropriate option.
A) 33
B) 53
C) 73
D) 93
E) 83
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.   Answer: Option 53
<result>B</result>
Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?