Look at this series: 66, 66, 60, 60, 54, 54, ... What number should come next?
Choose one
A) 48
B) 15
C) 17
D) 19
E) 11
In this series, each number is repeated, then 6 is subtracted to arrive at the next number.   The next number should be 48   48nswer : 48
<result>A</result>
Look at this series: 66, 66, 60, 60, 54, 54, ... What number should come next?