Ch.3 :- Coding Decoding : Exercise 4


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~ Directions for Q. No. 1 to 34 : In each of the following questions, find the correct answer from the given alternatives.
1. If in a code language MADRASis coded as NZEQBR, then CALCUTTAwill be coded as
(a) OZMBVSUB (b) DZMBVSUZ (c) DZMBVUUZ (d) BBKBTUSB

View answer & Solution
1 (b) Letters at odd places have been coded one step forwards, and letters at even places have been coded one step backwards as their positions in the alphabet.

2. If in a code language MADRASis coded as TBSEBN, then NEW DELHIwill be coded as
(a) JNKFEXFO (b) JIMFFUFO (c) JIMFEXFO (d) JIMFEXEP

View answer & Solution
2 (e) Last letter of the coded word is the next letter of the first letter of the basic word, second last letter is the next letter of the second one and so on in the alphabetical order.

3. If BROWN is coded as ZPMUL, then VIOLET will be coded as
(a) TGMJCR (b) SGMJCQ (c) TGMJCQ (d) TGWCQ

View answer & Solution
3 (a) Each letter of the word BROWN has been coded two letters behind in the alphabetical order.

4. If BEATis written as GIDV, then SOUP may be written as
(a) YSXR (b) ZSYS (c) XSYSR (d) XSXR

View answer & Solution
4 (d) First letter of the word BEAThas been coded with a gap of four letters, second letter with a gap of three letters, third letter with a gap of two letters, and fourth letter with a gap of one letter as their positions in the alphabetical order.

5. If BRASS is coded as 63516, then SIR will be coded as
(a) 631 (b) 315 (c) 536 (d) 617

View answer & Solution
5 (d) Code for letter S is 6, because S appears twice in the word and number 6 appears twice in its coding. Hence, the coding of SIR will have one of the numbers as 6 being the code of S, one new number for I and one number from 351 being the code R. Therefore, the code for SIR will be 517.

6. If BEST is written as VYMN, then DTCP may be written as
(a) WNVJ (b) XNWJ (c) XMWJ (d) XNWL

View answer & Solution
6 (b) Each letter of the word BEST has been written with a gap of 5 letters backward in the alphabetical order.

7. If SYSTEM is written as SYSMET, and NEARER as AENRER, then FRACTIONwill be coded as :
(a) ARFITOON (b) CARFNOIT (c) ARFITCNO (d) NOITCARF

View answer & Solution
7 (b) Letters of first half of the word are reversed, and then the letters of the second half of the word are reversed.

8. If SUGARis coded as RPKLU, then GURUS may be coded as
(a) KPUPR n» RPVPR (c) LKRKP (d) PKVKR

View answer & Solution
8 (a) Codes for the letters S, U, G, A and R are R, P, K, Land U, respectively.

9. If SYSTEM is coded as 131625, then TERMS may be coded as
(a) 62251 (b) 62451 (c) 64251 (d) 62415

View answer & Solution
9 (b) From the coding of SYSTEM, it is clear that codes for the letters T, E, M and S are 6, 2, 5 and 1, respectively. Code for the letter R will be a new number. Hence, TERMS will be coded as 62451.

10. If MEDICO is coded as PBGFFL, then DOCTOR will be coded as
(a) GLFQRO (b) GLFQLR (c) GLFQLS (d) GRFWLQ

View answer & Solution
10 (a) Letters at the odd places have been coded with a gap of two letters ahead in the alphabetical order, and letters at the even places have been coded with a gap of two letters backwards in the alphabetical order.

11. If NEWZEALAND is coded as @Q+?Q*#*@x, then DEALWONmay be coded as
(a) x Q * # + ? @ (b) x Q * ? + b @ (c) x Q * # + b @ (d) x Q * # b + @

View answer & Solution
11 (e) The word are being coded using the direct substitution method.

12. If SCIENCE is coded as UFMJTJM, then GENE will be coded as
(a) HGQI (b) IHRJ (c) IHRI Cd) IHSJ

View answer & Solution
12 (b) Letters of the word SCIENCE are coded with gap of 1,2,3,4 letters ahead in the alphabetical order.

13. If OLYMPICS is coded as PMZNOHBR, and JUMP is coded as KVLO,then COMPUTER will be coded as
(a) DP QVUFS (b) DPNQTSFQ (C) DPNQTSDQ (d) BNLOTSDQ

View answer & Solution
13 (e) All letters of the first half of the word OLYMPICS have  been coded one letter ahead in the alphabetical order, and all letters of the second half have been coded one letter behind in the alphabetical order.

14. Using the codes of the last question, AUGUST will be coded as
(a) BVHTRU (b) BVHVTU (c) BVHVRS (d) BVHTRS

View answer & Solution
14 (d) Same as above

15. If ZUBIN is coded as ATCHO, then MEHTA will be coded as
(a) NDIUB (b) NDISB (c) NDGSB (d) NDHSI

View answer & Solution
15 (b) Letters at the odd places are coded one letter ahead, and letters at the even places are coded one letter behind in the alphabetical order.

16. If HINDU is coded as 61257, and MAN is coded as 924, then’INDIRA will be coded as
(a) 454626 (b) 594921 Cc)452787 (d) 884572

View answer & Solution
16 (c) Using the method of ‘Jumbled up substitution’, INDIRA will be coded as 452787.

17. If NOCIE is written as $ @ # ? %, and SCENT is written as # % ,’, ” @, then COIN will be written as
(a) #?$@ (b) #?@% (c) @”?$ (d) None of these

View answer & Solution
17 (a) Using the method of ‘Jumbled up substitution’, COIN will be coded as # ? $ @.

18. If EQOKYOstands for DOLLAR,and QQXMBP stands for POUNDS, then the code for MARKwill be
(a) NCUO (b) NCUJ (c) NCQI (d)NCPH

View answer & Solution
18 (e) Letters of first half of the word are coded with a gap of 0,1,2 letters in the forward direction, and letters of the second half are coded with a gap of 0,1,2 letters in the backward direction in alphabetical order.

19. If AMERICA is coded as RAIMCEA, BRITAIN is coded as TBARIIN, then INDIA will be coded as
(a) DINIA (b)DIINA (c)DINAI Cd)IlONA

View answer & Solution
19 (b) In the coding pattern, words are coded in such a way that middle letter comes at first place followed by first letter of the first half followed by first letter of the second half and so on. Hence, using the same pattern, INDIAwill be coded as DIINA.

20. If AMRITSAR is coded as MAIRSTRA, then CALCUTTA will be coded as
(a)ACLCTUAT Cb)LACTUCAT (c) ACCLTUAT (d) ACCLUTAT

View answer & Solution
20 (e) Postions of first and second, third and fourth, fifth and sixth, and seventh and eighth letters have been exchanged.

21. If ACNE is coded as 3, 7,29, 11, then BOILwill be coded as
(a) 5, 31, 21, 25 (b) 5,31, 19,25 (c)5,29, 19,25 (d) 5,29,19,27

View answer & Solution
21 (b) C2n+ 1) is the coding pattern used, where n = position of the alphabet in the alphabetical order.

22. If in a certain code MICHAEL is coded as JGBHBGO, in this code AMERICAwill be written as
(a) XKDRJEC (b) XKDRKED (c) XKDRJED (d) XKERJED

View answer & Solution
22 (e) Letters of the word are coded using the order – 3, – 2, – 1, 0, +1, +2, +3 as to the positions of each of the letters M, I, C, H, A, E and L, respectively in the alphabetical order and so on.
23. If REACHING TOMORROW is coded as HOJIDBFS XPSSPNPU, then UIHJMG EFZBMFEmeans
(a) TRAINS DELAYED (b) FLIGHT DELAYED (c)CANCELJOURNEY (d) FLIGHT CANCEL

View answer & Solution
23 (b) Each letter of the word has been coded one letter ahead in the alphabetical order in such a way that the code for the first letter of the word comes at the last position of the coded word, second letter comes at the second last position and so on.
24. If CRICKETER is coded as DQJBLDUDS, then PLAYER will be coded as
(a)QMBZFS (b) OMZZDS (c) QKBXFQ (d) QKBZDS

View answer & Solution
24 (e) Letters at the odd places have been coded one letter ahead, and letters at the even places have been coded one letter behind in the alphabetical order.

25. It FASHION is coded as NFOAISH, how will TRITIES be coded in that language?
(a) STERITI (b) STERIIT (c) STERTII Cd) STREIIT

View answer & Solution
25 (b) The word FASHION has been coded in such a way that last letter comes at first place, first letter at second place, second last letter at third place, second letter at fourth place and so on.

26. If POLITICS is coded as OPILITSC, how will ARTICLES be coded in that language?
(a) RAITLCES (b) RAITLCSE (c) ARITLCSE (d) RAITLECS

View answer & Solution
26 (b) Postions of first and second, third and fourth, fifth and sixth letters are exchanged.

27. If in a code language CIRCLE is coded as XRIXOV,how would you code SQUARE in the same language?
Ca) HJFZIV (b) HJFZIX Cc)HJFZLX (d) HJFZVI

View answer & Solution
27 (a) Letters in the basic word occupy the same position from the beginning as their respective letters in the coded word occupy from the last in the alphabetical order.

28. If FLAREis coded as 21,15,26,9,22, how would BREIF be coded in the same language?
(a) 25,9,22,21,18 (b) 5,37,11,19,13 (c) 13,19,11,37,5 (d) 25,9,22,18,21

View answer & Solution
28 (d) Numbers in the coding show the positions of the respective letters from the end of the alphabetical series.

29. If in a certain code language, UTENSIL is coded as WVGPUKN, then which word would be coded as DMSFXG?
(a)BKQEVE (b) BKQDWE (c) BKQDWF (d) BKQDVE

View answer & Solution
29 (d) Each letter of the first word has been coded two letters ahead in the alphabetical order.

30. If in a code language REMOTE is coded as ROTEME, which word would be coded as PNIICC ?
(a) PNIICC Cb)PICCIN (c) PINCIC (d) PICNIC

View answer & Solution
30 (d) The word has been coded by simply interchanging the position of the letters.

31. If FULFNHW is the code for CRICKET,then EULGH is the code for which of the following word?
Ca)PRIDE (b) BRIDE Cc)BLADE (d) BLINS

View answer & Solution
31 (b) Each letter ofthe first word has been coded three letters ahead in the alphabetical order.

32. If ELCSUM is the code for MUSCLE, which of the following word has the code LATIPAC?
(a) CONFESS (b) CONDUCE (c)CAPITAL (d) CAPRICE

View answer & Solution
32 (c) Letters of the words have been reversed.

33. If FRIEND is coded as HUMJTK, how is CANDLEwritten in that code?
(a) EDRIRL (b) DCQHQV (c)ESJFME (d)FYOBOC

View answer & Solution
33 (a) Letters of the word are coded with a gap of 1,2,3,4,5,6 letters, respectively as their positions in the alphabetical order.

34. If in a certain code ‘CORPORATIONS’ is written as ‘PROCTAROSNOI’, then how is JUDICIAL written in that code? (NMAT 2003)
(a) UJIDICLA (b) IDUJICLA (c)UJIDLAIC (d) IDUJLAlC

View answer & Solution
34 (d) Group of four letters is reversed. CORP/ORAT/IONS —–> PROC/TARO/SNOI. Hence, JUDICIAL will be coded as IDUJLAIC.