Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?

Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number shoul

1.	Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?
Answer» 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.