Coding Decoding Practice Questions Paper1

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Coding Decoding Question Paper -1

1) In a code language if POSE is coded as OQNPRTDF, then the word TYPE will be coded as

a) SUXZOQFD
b) SUXZQOFD
c) SUXZOQDF
d) SUXZQODE
e) None Of These

✔Answer is: Option c) SUXZOQDF.

Explanation : The word has been coded in such as way that codes for letter P are OQ (One letter behind and one letter ahead of P in alphabet). Similarly, codes for O are NP and so on.

2) In a certain code, BOXER is written as AQWGQ. How VISIT is written in that code?

a) UKRKU
b) UKRKS
c) WKRKU
d) WKRKS
e) None Of These

✔Answer is: Option b) ANSWER : UKRKS

Explanation : Letters at the odd places have been written one letter back, and letters at the even places have been written two letters ahead in the coded word as their positions in the alphabet.

3) If `PAPER� is written as `OZODQ�, how `PENCIL� can be written in that code?

a) QFODJM
b) ODMBHK
c) ODMDJM
d) OFOBHM
e) None Of These

✔Answer is: Option b) ANSWER : ODMBHK

Explanation : Each letter has been coded one letter back in the alphabetical series.

4) If CLOTHES is EXHAUST and THRICE is STABLE, then SHIRT is

a) BLUSH
b) STAUL
c) BLASH
d) THULE
e) None Of These

✔Answer is: Option c) ANSWER : BLASH

Explanation : Using the above coding procedure as in the previous question, we find that the codes for letters $ and I will be B and L, and thus coding for SHIRT will be BLASH.

5) In a certain code, BOY is written as $*� and HOUR is written @*�0. How is RUBY written in that code?

a) 0 � $ �
b) 0 $ � �
c) � $ � 0
d) � � $ 0
e) None Of These

✔Answer is: Option a) ANSWER : 0 � $ �

Explanation : It is clear from the coding pattern that codes for R, U, B and Y are 0, �, $ and �, respectively.

6) In a certain code, PRODUCTS is written as NPMBSARQ. How is COMPREHENSION written in that code?

a) AMKNPCFCLOMLQ
b) AMKNPCFCLQGML
c) AMKNPCFCLQGNL
d) AMKNPCFCKOML
e) None Of These

✔Answer is: Option b) ANSWER : AMKNPCFCLQGML

Explanation : Each letter of the word has been written two letters back in the coded word, as their positions in the alphabet.

7) In a certain code, INSTITUTION is written as NOITUTITSNI. How is PERFECTION written in that code?

a) NOICTEFREP
b) NOITCEFERP
c) NOITCEFRPE
d) NOITCEFREP
e) NOITCEFPER

✔Answer is: Option d) ANSWER : NOITCEFREP

Explanation : Letters of the word INSTITUTION have been just reversed in the coded word. Therefore, PERFECTION will be coded as NOITCEFREP. Hence, option (4) is the correct answer.

8) In a certain code, RIPPLE is written as 613382 and LIFE is written as 8192. How is PILLER written in that code?

a) 318826
b) 318286
c) 618826
d) 328816
e) None Of These

✔Answer is: Option a) ANSWER : 318826

Explanation : From the coding pattern, it is clear that code for P is 3, for I is 1, for L is 8, for E is 2, and for R it is 6. So word PILLER will coded as 318826.

9) If FESTIVAL is coded as MBWJUTFG, then OPIUM would be coded as

a) NOHTL
b) NVJQP
c) NTHNO
d) MUIPO
e) None Of These

✔Answer is: Option b) ANSWER : NVJQP

Explanation : The word has been coded in such a way that last letter in the coded word is the next letter of the first letter of the basic word, second letter is next that of the second letter of the basic word and so on. Hence, OPIUM will be coded as NVJQP.

10) In a certain code SOCIAL is written as TQFMFR, then how you will code DIMPLE?

a) EKPQPJ
b) EKPTQK
c) EKPSOH
d) EKPSPJ
e) None Of These

✔Answer is: Option b) ANSWER : EKPTQK

Explanation : Letters for the basic word have been moved in forward direction in the coded word with a gap of 0, 1, 2, 3, 4 and 5 letters as their positions in the alphabet. Therefore, the word DIMPLE will be coded as E K P T Q K.

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