Logical Problems
Direction: Fill in the blanks in the middle of the series.
 ZA_{5} Y_{4}B XC_{6} W_{3}D _____

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There are three series to look for here. The first letters are alphabetical in reverse : Z, Y, X, W, V.
Correct Option: D
There are three series to look for here. The first letters are alphabetical in reverse : Z, Y, X, W, V. The second letters are in alphabetical order, beginning with A. The number series is as follows : 5, 4, 6, 3, 7.
 BCB DED FGF HIH ___

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This series consists of a simple alphabetical order with the first two letters of all segments : B, C, D, E, F, G, H, I, J, K.
Correct Option: A
This series consists of a simple alphabetical order with the first two letters of all segments : B, C, D, E, F, G, H, I, J, K. The third letter of each segment is a repetition of the first letter.
 FAG GAF HAI IAH ____

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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.
Correct Option: A
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.
 SCD TEF UGH ____ WKL

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There are two alphabetical series here. The first series is with the first letters only: STUVW.
Correct Option: C
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.
 DEF DEF_{2} DE_{2}F_{2} _____ D_{2}E_{2}F_{2}

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In this series, the letters remain the same : DEF.
Correct Option: D
In this series, the letters remain the same : DEF. The subscript numbers follow this
series: _{1, 1, 1 ; 1, 1, 2 ; 1, 2, 2; 2, 2, 2; 2, 2, 3.}