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# Letter Patterns Practice

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Updated on Aug 10, 2011

Another type of sequence question involves a series of letters in a pattern. Usually, these questions use the letters' alphabetical order as a base. To make matters more complicated, sometimes subscript numbers will be thrown into the letter sequence. In these series, you will be looking at both the letter pattern and the number pattern. Some of these questions ask you to fill the blank in the middle of the series; others ask you to add to the end of the series.

1. QPO NML KJI _____ EDC
1. HGF
2. CAB
3. JKL
4. GHI
2. JAK KBL LCM MDN _____
1. OEP
2. NEO
3. MEN
4. PFQ
3. B2CD _____ BCD4 B5CD BC6D
1. B2C2D
2. BC3D
3. B2C3D
4. BCD7
4. ELFA GLHA ILJA _____ MLNA
1. OLPA
2. KLMA
3. LLMA
4. KLLA
5. P5QR P4QS P3QT _____ PQV
1. PQW
2. PQV2
3. P2QU
4. PQ3U
6. CMM EOO GQQ _____ KUU
1. GRR
2. GSS
3. ISS
4. ITT
7. QAR RAS SAT TAU _____
1. UAV
2. UAT
3. TAS
4. TAT
8. DEF DEF2 DE2F2 _____ D2E2F3
1. DEF3
2. D3EF3
3. D2E3F
4. D2E2F2
9. SCD TEF UGH _____ WKL
1. CMN
2. UJI
3. VIJ
4. IJT
10. FAG GAF HAI IAH ______
1. JAK
2. HAL
3. HAK
4. JAI
11. BCB DED FGF HIH _____
1. JKJ
2. HJH
3. IJI
4. JHJ
12. ZA5 Y4B XC6 W3D _____
1. E7V
2. V2E
3. VE5
4. VE7

1. a. This series consists of letters in a reverse alphabetical order.
2. b. This is an alternating series in alphabetical order. The middle letters follow the order ABCDE. The first and third letters are alphabetical beginning with J. The third letter is repeated as a first letter in each subsequent three-letter segment.
3. b. 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.
4. d. 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. c. The first two letters, PQ, are static. The third letter is in alphabetical order, beginning with R. The number series is in descending order beginning with 5.
6. c. 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.
7. a. In this series, the third letter is repeated as the first letter of the next segment. The middle letter, A, remains static. The third letters are in alphabetical order, beginning with R.
8. 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.
9. 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.
10. 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.
11. 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.
12. 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.

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