Replace X with the appropriate number in
5 , 6 , 8 , 9 , 13 , 15, 16, X
Choose the correct choice.
A) 22	B) 20	C) 21	D) 17	E) 18
18   list of consecutive numbers that has an 'i' in the spelling
<result>E</result>
Replace X with the appropriate number in
5 , 6 , 8 , 9 , 13 , 15, 16, X