Look at this series: 53, 53, 43, 43, 33, 33, ... What number should come next?
Select the correct option
A) 50 B) 40 C) 23 D) 13 E) 10
In this series, each number is repeated, then 10 is subtracted to arrive at the next number.   Answer is 23
<result>C</result>
Look at this series: 53, 53, 43, 43, 33, 33, ... What number should come next?