Look at this series: 88, 88, 78, 78, 68, 68, ... What number should come next?	Choose the correct choice from the following answers:
A) 14 B) 15 C) 58 D) 19 E) 11
In this series, each number is repeated, then 10 is subtracted to arrive at the next number.   The next number is 58   Answer : 58
<result>C</result>
Look at this series: 88, 88, 78, 78, 68, 68, ... What number should come next?