Coding and Decoding MCQ – Logical Reasoning Questions and Answers

1. If CAT is coded as EDV, how is DOG coded?

a) FQI
b) EPH
c) GRJ
d) FPJ

Answer:

a) FQI

Explanation:

Each letter in CAT is moved two steps forward to code as EDV. Similarly, DOG becomes FQI.

2. In a certain code, BRAIN is written as NBRIA. How is LIGHT written in that code?

a) THGIL
b) HTGIL
c) ILGTH
d) HLGIT

Answer:

b) HTGIL

Explanation:

The letters in BRAIN are reversed and then the first two are interchanged. Applying the same logic, LIGHT becomes HTGIL.

3. If RQPONML is the code for NMLKJIH, what is the code for WXYZ?

a) ZYXV
b) DCBA
c) VUTS
d) ABCD

Answer:

c) VUTS

Explanation:

Each letter is replaced by the letter three places before it in the alphabet.

4. In a certain language, 'goodbye' is coded as 'hpgpec'. How is 'welcome' coded in that language?

a) Xfnvdkf
b) Xdmvckf
c) Vdkmfbl
d) Vdmkcnf

Answer:

a) Xfnvdkf

Explanation:

Each letter in 'goodbye' is moved one step forward to code as 'hpgpec'. Similarly, 'welcome' becomes 'xfnvdkf'.

5. If 'pen' is coded as 'oqgp', how is 'book' coded?

a) cppm
b) cppl
c) dqql
d) aonn

Answer:

b) cppl

Explanation:

Each letter in 'pen' is moved two steps forward to code as 'oqgp'. Similarly, 'book' becomes 'cppl'.

6. Decode the pattern: A = Z, B = Y, C = X, then P = ?

a) K
b) L
c) M
d) O

Answer:

a) K

Explanation:

Each letter is replaced by its opposite in the alphabet (A ↔ Z, B ↔ Y, C ↔ X). So, P ↔ K.

7. In a certain code, 'triangle' is written as 'rqhbojmd'. How is 'rectangle' written in that code?

a) qfdtbojmd
b) qfctbojmd
c) sfducpkne
d) qfdbcpkmd

Answer:

b) qfctbojmd

Explanation:

Each letter is moved one step backward in the alphabet.

8. If 'FLOWER' is coded as 'EKNVDQ', how is 'GARDEN' coded?

a) FZQCDM
b) FZOCML
c) HZQBFO
d) HZRCFO

Answer:

a) FZQCDM

Explanation:

Each letter in 'FLOWER' is moved one step backward to code as 'EKNVDQ'. Similarly, 'GARDEN' becomes 'FZQCDM'.

9. If 'RSTUV' is coded as 'FGHIJ', how is 'NOPQR' coded?

a) ABCDE
b) VWXYZ
c) ZYXWV
d) DEFGH

Answer:

a) ABCDE

Explanation:

The code replaces each letter with the one 14 places ahead in the alphabet.

10. In a certain code, 'MATH' is written as 'ODVG'. How is 'HARD' written in that code?

a) JCFB
b) JCTF
c) JCFT
d) KCTF

Answer:

b) JCTF

Explanation:

Each letter in 'MATH' is moved two steps forward to code as 'ODVG'. Similarly, 'HARD' becomes 'JCTF'.

11. Decode the pattern: L = O, M = P, then H = ?

a) A
b) K
c) J
d) O

Answer:

d) O

Explanation:

Each letter is replaced by the one three places ahead in the alphabet.

12. If 'sun' is coded as 'tvq', how is 'moon' coded?

a) nqqp
b) oppn
c) npop
d) nppq

Answer:

a) nqqp

Explanation:

Each letter in 'sun' is moved one step forward to code as 'tvq'. Similarly, 'moon' becomes 'nqqp'.

13. In a certain code, '432' means 'Spicy tasty chicken', '629' means 'tasty tender coconut', and '358' means 'chicken soft tender'. What number code represents 'tasty'?

a) 2
b) 3
c) 6
d) 9

Answer:

d) 9

Explanation:

'Tasty' is common in the first two and is represented by the number 9.

14. If 'GREAT' is coded as 'TGJCT', how is 'SMILE' coded?

a) NRJGH
b) TGNJK
c) OPHKD
d) TJGCT

Answer:

c) OPHKD

Explanation:

Each letter in 'GREAT' is moved two steps backward and one step forward alternately to code as 'TGJCT'. Similarly, 'SMILE' becomes 'OPHKD'.

15. If 'dog' is coded as 'cqf', how is 'cat' coded?

a) bzr
b) dbs
c) fvu
d) exu

Answer:

b) dbs

Explanation:

Each letter in 'dog' is moved two steps backward to code as 'cqf'. Similarly, 'cat' becomes 'dbs'.

16. If '123' means 'bright little boy', '145' means 'tall big boy', and '637' means 'beautiful little flower', what digit stands for 'bright'?

a) 1
b) 2
c) 3
d) 6

Answer:

b) 2

Explanation:

'Bright' is unique to the first code and is represented by the number 2.

17. Decode the pattern: K = P, L = Q, then D = ?

a) I
b) J
c) K
d) H

Answer:

a) I

Explanation:

Each letter is replaced by the one five places ahead in the alphabet.

18. If 'blue' is coded as 'zkoy', how is 'pink' coded?

a) kmfa
b) kofm
c) lmgp
d) lofn

Answer:

a) kmfa

Explanation:

Each letter in 'blue' is moved four steps backward to code as 'zkoy'. Similarly, 'pink' becomes 'kmfa'.

19. In a certain code, '479' means 'eat juicy fruit', '248' means 'very juicy she', and '359' means 'she eat slowly'. What digit stands for 'juicy'?

a) 2
b) 4
c) 7
d) 9

Answer:

b) 4

Explanation:

'Juicy' is common in the first two and is represented by the number 4.

20. If 'PHONE' is coded as 'SIRQH', how is 'MOUSE' coded?

a) PRXVH
b) QSVWI
c) RPTVG
d) QRVWH

Answer:

a) PRXVH

Explanation:

Each letter in 'PHONE' is moved three steps forward to code as 'SIRQH'. Similarly, 'MOUSE' becomes 'PRXVH'.

21. Decode the pattern: V = A, W = B, then N = ?

a) G
b) H
c) I
d) J

Answer:

b) H

Explanation:

Each letter is replaced by the one 21 places ahead in the alphabet.

22. If 'star' is coded as 'uvct', how is 'moon' coded?

a) opqq
b) npop
c) opqn
d) pqoo

Answer:

c) opqn

Explanation:

Each letter in 'star' is moved two steps forward to code as 'uvct'. Similarly, 'moon' becomes 'opqn'.

23. In a certain code, '256' means 'red color chalk', '589' means 'green color flower', and '254' means 'chalk is soft'. What digit stands for 'color'?

a) 2
b) 4
c) 5
d) 6

Answer:

c) 5

Explanation:

'Color' is common in the first two and is represented by the number 5.

24. If 'APPLE' is coded as 'DSOPH', how is 'BANANA' coded?

a) ECTCOC
b) EDUDBO
c) EDSOCO
d) EDUDBP

Answer:

b) EDUDBO

Explanation:

Each letter in 'APPLE' is moved two steps forward and one step backward alternately to code as 'DSOPH'. Similarly, 'BANANA' becomes 'EDUDBO'.

25. If 'key' is coded as 'lcz', how is 'lock' coded?

a) mpdl
b) mpdm
c) lmdn
d) npdm

Answer:

a) mpdl

Explanation:

Each letter in 'key' is moved one step forward to code as 'lcz'. Similarly, 'lock' becomes 'mpdl'.

26. Decode the pattern: 7 = R, 8 = Q, then 14 = ?

a) I
b) J
c) K
d) L

Answer:

c) K

Explanation:

The code moves backwards alphabetically, with 7 corresponding to R, 8 to Q, and so on. Thus, 14 corresponds to K.

27. If 'BAT' is coded as '246', how is 'CAT' coded?

a) 346
b) 256
c) 247
d) 357

Answer:

b) 256

Explanation:

Each letter is assigned a number based on its position in the alphabet: B=2, A=4, T=6. Therefore, 'CAT' becomes '256'.

28. In a certain code, '593' means 'tea is hot', '764' means 'hot chocolate drink', and '928' means 'drink strong tea'. What digit stands for 'strong'?

a) 2
b) 3
c) 8
d) 9

Answer:

c) 8

Explanation:

'Strong' is unique to the third code and is represented by the number 8.

29. If 'ROAD' is coded as 'URDG', how is 'PATH' coded?

a) UDWK
b) UCVJ
c) UDVK
d) TCVJ

Answer:

b) UCVJ

Explanation:

Each letter in 'ROAD' is moved three steps forward to code as 'URDG'. Similarly, 'PATH' becomes 'UCVJ'.

30. Decode the pattern: E = 5, G = 7, then J = ?

a) 8
b) 9
c) 10
d) 11

Answer:

c) 10

Explanation:

The code is the position of the letter in the alphabet. J, being the 10th letter, is coded as 10.

31. If 'fun' is coded as 'gvo', how is 'joy' coded?

a) jnz
b) kpz
c) kqz
d) kna

Answer:

b) kpz

Explanation:

Each letter in 'fun' is moved one step forward to code as 'gvo'. Similarly, 'joy' becomes 'kpz'.

32. In a certain code, '741' means 'green tree mango', '852' means 'tasty ripe mango', and '693' means 'tree is tall'. What digit stands for 'mango'?

a) 1
b) 3
c) 4
d) 6

Answer:

a) 1

Explanation:

'Mango' is common in the first two and is represented by the number 1.

33. If 'DREAM' is coded as 'GUVDP', how is 'SLEEP' coded?

a) VXMRH
b) VXMRI
c) VWLQH
d) VWLQI

Answer:

b) VXMRI

Explanation:

Each letter in 'DREAM' is moved three steps forward to code as 'GUVDP'. Similarly, 'SLEEP' becomes 'VXMRI'.

34. Decode the pattern: U = 21, V = 22, then O = ?

a) 12
b) 13
c) 14
d) 15

Answer:

d) 15

Explanation:

The code is the position of the letter in the alphabet. O, being the 15th letter, is coded as 15.

35. If 'cold' is coded as 'dpme', how is 'warm' coded?

a) xbsn
b) xbtl
c) xctn
d) ycun

Answer:

a) xbsn

Explanation:

Each letter in 'cold' is moved one step forward to code as 'dpme'. Similarly, 'warm' becomes 'xbsn'.

36. In a certain code, '247' means 'best quality shoes', '348' means 'quality good clothes', and '569' means 'shoes are durable'. What digit stands for 'best'?

a) 2
b) 4
c) 7
d) 9

Answer:

a) 2

Explanation:

'Best' is unique to the first code and is represented by the number 2.

37. If 'TIME' is coded as 'XPTQ', how is 'DATE' coded?

a) DXYQ
b) EYXR
c) FYXR
d) GXYS

Answer:

c) FYXR

Explanation:

Each letter in 'TIME' is moved four steps forward to code as 'XPTQ'. Similarly, 'DATE' becomes 'FYXR'.

38. Decode the pattern: J = 10, L = 12, then H = ?

a) 6
b) 7
c) 8
d) 9

Answer:

c) 8

Explanation:

The code is the position of the letter in the alphabet. H, being the 8th letter, is coded as 8.

39. If 'funny' is coded as 'hvwpa', how is 'happy' coded?

a) jbrra
b) jcrre
c) jcrra
d) icqqb

Answer:

c) jcrra

Explanation:

Each letter in 'funny' is moved two steps forward to code as 'hvwpa'. Similarly, 'happy' becomes 'jcrra'.

40. In a certain code, '618' means 'apple is sweet', '746' means 'sweet and sour', and '932' means 'sour and salty'. What digit stands for 'and'?

a) 4
b) 6
c) 7
d) 8

Answer:

a) 4

Explanation:

'And' is common in the second and third and is represented by the number 4.

41. If 'BIRD' is coded as 'HKVG', how is 'FISH' coded?

a) LKTJ
b) JKVL
c) JKLW
d) IKLU

Answer:

a) LKTJ

Explanation:

Each letter in 'BIRD' is moved four steps forward to code as 'HKVG'. Similarly, 'FISH' becomes 'LKTJ'.

42. Decode the pattern: H = 8, I = 9, then S = ?

a) 16
b) 17
c) 18
d) 19

Answer:

d) 19

Explanation:

The code is the position of the letter in the alphabet. S, being the 19th letter, is coded as 19.

43. If 'jump' is coded as 'lwor', how is 'fall' coded?

a) hdnn
b) hcpo
c) hcnn
d) idoo

Answer:

c) hcnn

Explanation:

Each letter in 'jump' is moved two steps forward to code as 'lwor'. Similarly, 'fall' becomes 'hcnn'.

44. In a certain code, '375' means 'very tasty mango', '814' means 'mango ripe yellow', and '692' means 'very ripe apple'. What digit stands for 'very'?

a) 3
b) 5
c) 7
d) 9

Answer:

a) 3

Explanation:

'Very' is common in the first and third and is represented by the number 3.

45. If 'HAPPY' is coded as 'ICQQA', how is 'GLAD' coded?

a) HMCE
b) FKZB
c) HMBD
d) FLZC

Answer:

a) HMCE

Explanation:

Each letter in 'HAPPY' is moved one step forward to code as 'ICQQA'. Similarly, 'GLAD' becomes 'HMCE'.

46. Decode the pattern: R = 18, T = 20, then P = ?

a) 14
b) 15
c) 16
d) 17

Answer:

c) 16

Explanation:

The code is the position of the letter in the alphabet. P, being the 16th letter, is coded as 16.

47. If 'night' is coded as 'ojihu', how is 'dream' coded?

a) esfbn
b) eufdo
c) dseal
d) esean

Answer:

a) esfbn

Explanation:

Each letter in 'night' is moved one step forward to code as 'ojihu'. Similarly, 'dream' becomes 'esfbn'.

48. In a certain code, '479' means 'eat ripe fruit', '256' means 'fruit tastes sweet', and '198' means 'sweet and sour'. What digit stands for 'sweet'?

a) 1
b) 5
c) 6
d) 9

Answer:

d) 9

Explanation:

'Sweet' is common in the second and third and is represented by the number 9.

49. If 'GATE' is coded as 'HFUF', how is 'WALL' coded?

a) XBMW
b) XBVM
c) XBWN
d) YBXN

Answer:

b) XBVM

Explanation:

Each letter in 'GATE' is moved one step forward to code as 'HFUF'. Similarly, 'WALL' becomes 'XBVM'.

50. Decode the pattern: M = 13, O = 15, then R = ?

a) 16
b) 17
c) 18
d) 19

Answer:

c) 18

Explanation:

The code is the position of the letter in the alphabet. R, being the 18th letter, is coded as 18.

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