# Ch-13 Letter Series : Exercise 2

#### Directions for Q.no. 1 to 10: In each of the following letter series, some of the letters are missing, which are given in that order as one of the alternatives below it. choose the correct alternative.

1. aab – ab – cabcca – bcab – c

(a) bbbc      (b) bbab      (c) cabc      (d) cbab

Ans.(d) The pattern of the series is aabc/abbc/abcc/aabc/abbc. In 1st block letter a is written twice, in 2nd block letter b is written twice and in 3rd block letter c is written twice.

2. ccbab – caa – bccc-a-

(a) babb      (b) bbba      (c) baab      (d) babc

Ans.(a) The pattern of the series is ccba/bbca/aabc/ccba/b, In each block of four letters, one letter is repeated twice.

3. ba- b-aabb – a–a-bb

(a) bbaabb      (b) ababba      (c) ababab      (d) bababa

Ans.(b) The pattern of the series is baab/baab/baab/baab/b. A block of four letters baab is repeated.

4. a-c-abb-a-bc-ab-ca.

(a) cbcaaa      (b) bccab      (c) bccaac      (d) bccacb

Ans.(d) The pattern of the series is abc/cab/bca/abc/cab/bca. Last letter of each previous block is taken to the beginning of successive block of three letters.

5. cab-a-c-bc-bc-b-ab

(a) bcbbab      (b) bcbbbc      (c) acacab      (d) cbaaac

Ans.(d) The pattern of the series is repetitive block cab/cab/cab of three letters.

6. cccbb- aa – cc – bbbaa – c

(a) acbc      (b) baca      (c) baba      (d) acba

Ans.(b) The pattern of the series is ccc, bbb, aaa, ccc, bbb, aaa/c.

7. – abb — bb-a-bbab -ba

(a) bababa      (b) bbabbb      (c) ababaa      (d) aaaabb

Ans.(b) A block of four letters babb is repeated. babb/babb/ babb/ ……,

8. ccb – c- bbc – b – cc– ccbb

(a) bccbbb      (b) bcccbb      (c) aaaaba      (d) bbbbbb

Ans.(a) A block of four letters ccbb is repeated. ccbb/ccbb/ ccbb/……

9. abca – bcaab – aa – caa – ca

(a) bbac      (b) bbaa      (c) acbb      (d) acac

Ans.(c) A block of four letters bcaa is repeated. a/bcaa/bcaa/ bcaa/ ….

10.b-b-bb–bbb-bb-b

(a) bbbbba      (b) bbaaab      (c) ababab      (d) aabaab

Ans.(c) A block of five letters babbb is repeated. babbb/ babbb.

#### Directions for Q. No. 11 to 15 : In each of the following letter series, some of the letters are missing, which are given in that order as one of the alternatives below it. Choose the correct alternative.

11. – aba – cabc- dcba- bab – a

(a) abdca      (b) cbadc      (c) abcdd      (d) cbdaa

Ans.(a) aababcabcd/dcbacbabaa. Letters of the series are written in reverse order in 2nd half. In other words, 1st and last, 2nd and 2nd last, 3rd and last but three letters are the same.

12. a – cdaab – cc – daa – bbb – ccddd

(a) bdbda      (b) bddca      (c) bbcad      (d) bbdac

Ans.(d) The pattern of the series is abcd/aabbccdd/ aaabbbcccddd. Each of letters abcd written in 1st block is wrjtten twice, three times in 2nd and 3rd block, respectively.

13. a – abbb – ccccd- ddccc – bb – ba

(a) abcda      (b) abdbc      (c) abdcb      (d) abcad

Ans.(c) The pattern of the series is aaa/bbbb/cccc/dddd/ cccc/bbbb/a:

14. – bcdbc – dcabd- bcdbc_dc_bd

(a) aaaaa      (b) ccccc      (c) bbbbb      (d) ddddd

Ans.(a) The pattern of the series is abcd/bcad/ cabd/abcd/ bcad/…. 2nd and 3rd letters of each previous block become 1st and 2nd letters of the successive block.

15. adb – ac – da – cddcb – dbc – cbda

(a) bccba      (b) cbbaa      (c) ccbba      (d) bbcad

Ans.(b) The pattern of the series is adbcacbdabcd/ bcbadbcacbda. Letters of the series are written in reverse order in 2nd half

Directions for Q. No. 16 to 20 : In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it.
Choose the correct alternative.

16. c- bba – cab – ac – ab – ac

(a) bcacb      (b) babcc      (c) abcbc      (d) acbcb

Ans.(d) Letters of the series are written in the reverse order in the 2nd half. cabbaccab/baccabbac.

17.  a-bc-c-abb-bcc-

(a) abbba      (b) accba      (c) cccbc      (d) cbbac

Ans.(b) The pattern of the series is aabcc/ccabb/bbcca.

18. -c- bd-cbcda-a-db-a

(a) bddcba      (b) daabbc      (c) cdbbca      (d) adabcd

Ans.(d) The pattern of the series is acdb/dacb/cdab/acdb/da

19. a- bc-a- bcda-ccd- bcd-

Ans.(c) The pattern of the series is aabcd/abbcd/abccd/abcdd.

20. -cb-ca-bacb-ca-bac- d

#### Directions for Q. No. 21 to 25 : In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternatives.

21. adb-ac- d – bcda- bcac-d

(a) bacbd      (b) cbadb      (c) dbacb      (d) acbda

22. – bdbc – d – c – bd – cd

(a) dbdcd      (b) dcbcd      (c) bcdcb      (d) cdbcb

Ans.(d) cbdbcddbc/cbdbcd

23. ef – h- gfe – hef – ehgefg-

(a) ehhfg      (b) ggfhe      (c) ghgfh      (d) egffh

Ans.(c) efgh/hgfe/ghef/fehg/efgh

24. bc- b – c- ac- ab-ac

(a) aabac       (b) bbacb       (c) cabbc      (d) ccabc

Ans.(d) bcc/bcc/aac/bab/cac

In each group one letter is repeated 2 times

25. n – qn – nqt – tqqtn – n – tqt

(a) nnqtq      (b) qtnqt      (c) ttnqn      (d) qqtnt

Ans.(c) ntqn/tnqt/ntqq/tnqn/ntqt

In each group one letter is repeated 2 times

#### Directions for Q. No. 26 to 30 : In each of the following questions a letters series is given. Some of the letters of the series are missing. These missing letters are given in that order as one of the four alternatives below the series. Find out the correct alternatives.

26. ab – cabb – caa – bccab – cab – cc

(a) abbcc      (b) baabc      (c) bcbbb      (d) bcaac

Ans.(c) abb cabbcc/aabbcc/abb cabbcc

27. ab – a – bcabc – b – abbabb-

(a) bbacc      (b) aaccb      (c) bccaa      (d) bbcaa

Ans.(a) abb abbc/abc abc/abbabbc

28. b- acbda- bd -cb- a-

Ans.(b) bdac/bdac/bdac/bdac

29. c- abbcc- bb-cab – c-abb

(a) abcca      (b) babac      (c) cbbca      (d) cacbc