Directions: In each of the following questions, a letter number series is given with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives.\(\sqrt{AFI} : 13 :: \sqrt{ADD} = ?\)

Directions: In each of the following questions, a letter number series

1.	Directions: In each of the following questions, a letter number series is given with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives.\(\sqrt{AFI} : 13 :: \sqrt{ADD} = ?\)
A.	12
B.	22
C.	21
D.	24
Answer» B. 22