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11 January, 2015

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Instruction

Coding Decoding Question Paper -2



1) In a certain code language, QUEUE is written as Q 22, and CHURCH is written as 1UR1. Which of the following would be most appropriate code for BANANA in that language?

a) B5A5
b) B55A
c) 5N5A
d) BA5A5A
e) B5A5A


✔Answer is: Option b) ANSWER : B55A

Explanation : Similar pairs of letters have been given the same numeric in each word. As a result pair UE in word QUEUE has been coded 2, pair CH has been coded 1 and likewise the pair AN has been coded 5. Hence, the word BANANA would be coded as B55A.



2) If PORTER is written as QNSSFQ, then BRIGHT would be coded as

a) CQJFIS
b) CNJHIS
c) CQJFGS
d) CNJHIU
e) CNHIQU


✔Answer is: Option a) ANSWER : CQJFIS

Explanation : Letters at the odd places in the coded word are one letter ahead of the respective letters of the basic word, and letters at the even places in the coded word are one letter back of the respective letters as their positions in the alphabet.

3) In a certain code, GIGANTIC is written as GIGTANCI. How is MIRACLES written in that code?

a) MIRLACSE
b) MIRLCAES
c) RIMCALSE
d) RIMLCAES
e) RIMSCASE


✔Answer is: Option a) ANSWER : MIRLACSE

Explanation : First three letter of the word are kept as they are sixth letter comes at fourth place shifting fourth and fifth letters to fifth and sixth places, respectively and the last two letters are exchanged.

4) In a certain code, GOODNESS is coded as HNPCODTR. How is GREATNESS coded in that code?

a) HQFZUODTR
b) HQFZUMFRT
c) HQFZSMFRT
d) FSDBSODTR
e) HQFZUFRTM


✔Answer is: Option b) ANSWER : HQFZUMFRT

Explanation : Letters at odd places in the coded word are one letter ahead of the letters in the basic word, and letters at even places are one letter behind of the letters in the basic word as their positions in the alphabet.

5) In a certain code, EXPLAINING is written as PXEALNIGNI. How is PRODUCED written in that code?

a) ORPBUDEC
b) ROPUDECD
c) ORPUDECD
d) DORPDECU
e) None Of These


✔Answer is: Option e) ANSWER : None Of These

Explanation : In the coded word, first three letters are reversed, then next two letters are reversed, then again two letters are reversed, and finally three letters are reversed. Hence, PRODUCED will be coded as ORPUDDEC.

6) If LINGER is 123456 and FORCE is 56789, then FIERCE is

a) 556789
b) 345677
c) 456678
d) 345667
e) None Of These


✔Answer is: Option c) ANSWER : 456678

Explanation : Letters R, E are common to LINGER and FORCE, and numbers 6 and 5 are common to their respective coding. Therefore, 5 and 6 will stand for RE but not respectively. Now, since word FIERCE has double E, therefore, either of 5 and 6 will appear twice in its coding. Besides, coding of FIERCE will have two numbers from coding of FORCE for letters F and C, and one number from coding of LINGER for letter I. Hence, coding of FIERCE will be 456678.

7) If ROSE is coded as 6821, CHAIR is coded as 73456 and PREACH is coded as 961473, what will be the code for SEARCH?

a) 246173
b) 214673
c) 214763
d) 216473
e) None Of These


✔Answer is: Option b) ANSWER : 214673

Explanation : From the coding pattern, it is clear that codes for S, E, A, R, C and H are 2, 1, 4, 6, 7 and 3, respectively as letters of the word are directly substituted.

8) If CARPET is coded as TCEAPR, then the code for NATIONAL would be

a) NLATNOIA
b) LANOITAN
c) LNAANTOI
d) LNOINTAA
e) None Of These


✔Answer is: Option c) ANSWER : LNAANTOI

Explanation : Letters of the basic word are written in the coded word in such a way that last and first letters, second last and second letters, third last and third letters and so on are written together in the coded word.

9) If PAINTER is written in a code language as NCGPRGP, then REASON would be written as:

a) PCYQMN
b) PGYQMN
c) PGYUMP
d) PGYUPM
e) None Of These


✔Answer is: Option c) ANSWER : PGYUMP

Explanation : Letters at odd places have been written two letters back, and letters at even places have been written two steps ahead in the coded word, as their positions in the alphabet. Hence, word REASON will be coded as PGYUMP.

10) If PICTURE is coded as tuvwxyz, then PATCH would be coded as

a) wtzyv
b) twxyz
c) tqwvm
d) mtuvw
e) None Of These


✔Answer is: Option c) ANSWER : tqwvm

Explanation : Codes for P, T and C will be t, w and v respectively (direct coding), and codes for A and H will be letters other than which have appeared in coding of PICTURE. Hence, PATCH will be coded as tqwvm.


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