A series of letters and numbers is given the terms of which follow certain definite pattern in groups. However, some terms in the series are missing, which are given in the same order as one of the alternatives below the series. Choose the correct alternative.Z ____ 25 Y B 23 X C ____ W ____ 19 ____ E 17

A series of letters and numbers is given the terms of which follow cer

1.	A series of letters and numbers is given the terms of which follow certain definite pattern in groups. However, some terms in the series are missing, which are given in the same order as one of the alternatives below the series. Choose the correct alternative.Z ____ 25 Y B 23 X C ____ W ____ 19 ____ E 17
A.	A, 21, D, V
B.	A, 27, C, V
C.	X, 21, C, W
D.	X, 27, F, W
Answer» B. A, 27, C, V