1.

SCD, TEF, UGH, ____, WKL


A. CMN
B. UJI
C. VIJ
D. IJT
Answer: C

Explanation:

There are two alphabetical series here.

The first series is with the first letters only: STUVW.

The second series involves the remaining letters: CD, EF, GH, IJ, KL.


2.

B2CD, _____, BCD4, B5CD, BC6D


A. B2C2D
B. BC3D
C. B2C3D
D. BCD7
Answer: B

Explanation:

Because the letters are the same, concentrate on the number series, which is a simple 2, 3, 4, 5, 6 series, and follows each letter in order.


3.

FAG, GAF, HAI, IAH, ____


A. JAK
B. HAL
C. HAK
D. JAI
Answer: A

Explanation:

The middle letters are static, so concentrate on the first and third letters.

The series involves an alphabetical order with a reversal of the letters.

The first letters are in alphabetical order: F, G, H, I , J.

The second and fourth segments are reversals of the first and third segments.

The missing segment begins with a new letter.


4.

ELFA, GLHA, ILJA, _____, MLNA


A. OLPA
B. KLMA
C. LLMA
D. KLLA
Answer: D

Explanation:

The second and forth letters in the series, L and A, are static.

The first and third letters consist of an alphabetical order beginning with the letter E.


5.

CMM, EOO, GQQ, _____, KUU


A. GRR
B. GSS
C. ISS
D. ITT
Answer: C

Explanation:

The first letters are in alphabetical order with a letter skipped in between each segment: C, E, G, I, K.

The second and third letters are repeated; they are also in order with a skipped letter: M, O, Q, S, U.