What number should replace the question mark? 10, 30, 14, 25, 18, 20, ---? Select:
A) 19
B) 21
C) 25
D) 22
E) 20
Answer: 22   10, 30, 14, 25, 18, 20, 22?   There are two alternate sequences: +4 and -5.
<result>D</result>
What number should replace the question mark? 10, 30, 14, 25, 18, 20, ---?