Coding-decoding questions test your ability to identify patterns and apply logical reasoning. These questions are essential for competitive exams, improving problem-solving skills. Here are 30 challenging MCQs to help you master this topic.
1. If in a certain code language, “CULTURE” is written as “DVMVSHF”, how is “HUMAN” written in the same code?
A) IVMBM
B) IVNBL
C) IVNCL
D) IVMAK
Answer: B) IVNBL
2. If “LAPTOP” is coded as “MBQUPQ”, how will “COMPUTER” be coded?
A) DPNVQFS
B) DQOPVFS
C) EQPSVGR
D) DQPSVGR
Answer: D) DQPSVGR
3. In a code language, “DEAL” is written as “EFBM”. How would “COST” be written in the same code?
A) DPST
B) DPTU
C) DQSU
D) DPQR
Answer: B) DPTU
4. If “CODING” is written as “DPJHOJ”, what will be the code for “EXAM” in the same language?
A) FYNB
B) FYNB
C) GXNC
D) GYNA
Answer: A) FYNB
5. In a certain code, “CHILD” is written as “DJMIE”. What is the code for “YOUTH”?
A) ZPVUI
B) ZPUIV
C) YPVUZ
D) ZPVUZ
Answer: D) ZPVUZ
6. If “PAPER” is written as “QBFQF”, how will “PENCIL” be written?
A) QOFDJM
B) QNFDJM
C) QPGDJK
D) QOGDJM
Answer: A) QOFDJM
7. If “GREAT” is coded as “HSFBU”, how is “SMART” coded?
A) TNBSU
B) UBNSV
C) TNBST
D) TNBSQ
Answer: A) TNBSU
8. If “CIRCLE” is coded as “DJSMDX”, what would be the code for “SQUARE”?
A) TRVQBF
B) TRWQBD
C) TRVBSE
D) TRWQBE
Answer: A) TRVQBF
9. If “ROAD” is written as “SPBE”, how is “CITY” written in the same code?
A) DJUZ
B) DJVA
C) DKVZ
D) DKWZ
Answer: A) DJUZ
10. If “STAR” is coded as “UTBS”, how will “MOON” be coded?
A) NPPM
B) NPPQ
C) MOPQ
D) MPQR
Answer: B) NPPQ
11. In a certain code language, “MOBILE” is written as “NPWJDF”. What is the code for “DESKTOP”?
A) EFTLUPQ
B) EFULPQT
C) EULPQTU
D) FUVLQUP
Answer: A) EFTLUPQ
12. In a certain code, “BEAUTIFUL” is written as “CFBVSJUGM”. What is the code for “MORNING”?
A) NPSOHP
B) OQTPHQ
C) OPQOKL
D) NPQOIH
Answer: A) NPSOHP
13. If “ABCD” is coded as “BCDE”, how will “MATH” be coded?
A) NBUI
B) NBVJ
C) MBUI
D) OBUJ
Answer: A) NBUI
14. If “APPLE” is written as “BQMMF”, how will “BANANA” be written?
A) CBODOB
B) CBODAC
C) BCOBDB
D) BCOBEB
Answer: A) CBODOB
15. If “TOMORROW” is written as “UPNPSPXP”, how will “YESTERDAY” be written?
A) ZFUTUFZB
B) ZFVTUHZB
C) ZFUUUZAB
D) ZFVUUYZB
Answer: A) ZFUTUFZB
16. If “LIFE” is coded as “MJGF”, what would “LOVE” be coded as?
A) MPWF
B) MPVG
C) MWVG
D) MPWF
Answer: A) MPWF
17. If “WOMAN” is coded as “XPNBO”, how will “GIRL” be coded?
A) HJSM
B) HJRN
C) HKSM
D) HJQM
Answer: B) HJRN
18. If “WATER” is coded as “XBUFS”, how will “FIRE” be coded?
A) GJUF
B) GJUH
C) GJUE
D) GJUH
Answer: A) GJUF
19. In a certain code language, “PENCIL” is written as “QFDJMK”. What is the code for “ERASER”?
A) FSBTSF
B) FSBTSE
C) GSCUTG
D) GSCUTE
Answer: A) FSBTSF
20. In a certain language, “BOOK” is written as “CPPL”. What is the code for “READ”?
A) SFBE
B) SFCD
C) SGFE
D) SFED
Answer: A) SFBE
21. If “KITE” is written as “LJUF”, how is “SPARROW” written?
A) TQBSXPX
B) TQCSXQX
C) TQCRXQX
D) TQBSXPY
Answer: A) TQBSXPX
22. If “PYTHON” is coded as “QZUIPO”, how is “JAVA” coded?
A) KBWB
B) KAWB
C) KAXA
D) KBAA
Answer: A) KBWB
23. In a certain code, “GHOST” is written as “HIPTU”. What is the code for “WATER”?
A) XBUIR
B) XBUIR
C) XBUIQ
D) XBUYQ
Answer: A) XBUIR
24. If “MANGO” is coded as “NBOPH”, what is the code for “APPLE”?
A) BQQMF
B) BPPMF
C) BPQMF
D) BQPMF
Answer: A) BQQMF
25. If “BALLOON” is coded as “CBMPMPP”, how is “BOTTLE” coded?
A) CUPPEM
B) CPSSMD
C) CPSSNE
D) CPSSLD
Answer: B) CPSSMD
26. If “EAGLE” is coded as “FBFMF”, what is the code for “ROSE”?
A) SPFT
B) SQFT
C) SPEG
D) SPFE
Answer: B) SQFT
27. If “MOTHER” is coded as “NPUFSF”, how will “FATHER” be coded?
A) GUBSIF
B) GUBSFH
C) GUBSGF
D) GUBSIF
Answer: A) GUBSIF
28. If “NINJA” is coded as “OJOKB”, what is the code for “SAMURAI”?
A) TBNSVMB
B) TBNVSMB
C) TBNVRMB
D) TBNVSMB
Answer: B) TBNVSMB
29. If “SUCCESS” is coded as “TVDDFTT”, how is “FAILURE” coded?
A) GJKWIF
B) GJKWFF
C) GJLVIF
D) GJKVIF
Answer: A) GJKWIF
30. If “BEAUTY” is written as “CFBVUZ”, how will “STYLISH” be coded?
A) TZXMJTH
B) UYZMJTH
C) TZYKJTH
D) UYZMZTH
Answer: C) TZYKJTH
31. If “GRAPE” is written as “HSBHF”, how is “APPLE” coded?
A) BQQMF
B) BQQMF
C) BRQMF
D) BQQMG
Answer: A) BQQMF
32. If “DEAR” is coded as “EFBS”, how is “LADY” coded?
A) MBEB
B) MBCC
C) LBEZ
D) MBEC
Answer: D) MBEC
33. If “MONKEY” is written as “NPMFZ”, what is the code for “TIGER”?
A) UJHFS
B) UJGFQ
C) UJGHR
D) UJGHQ
Answer: A) UJHFS
34. If “BRIGHT” is written as “CSDIJK”, what is the code for “SHINY”?
A) TUIZY
B) TUIYF
C) TUIZV
D) TUKYZ
Answer: A) TUIZY
35. If “CAB” is coded as “BDC”, how is “SAD” coded?
A) TBE
B) TCB
C) UED
D) UDC
Answer: A) TBE
36. If “PASTE” is written as “QBUUF”, how is “CLIP” written?
A) DMJQ
B) DMKP
C) DKJQ
D) DMLP
Answer: A) DMJQ
37. If “EVEN” is coded as “FWFO”, how is “ODD” coded?
A) OEE
B) PEE
C) PFD
D) OEC
Answer: B) PEE
38. If “ZEBRA” is written as “AFCSB”, what is the code for “HORSE”?
A) ITPUF
B) ITPUF
C) HSQTF
D) HTPUF
Answer: A) ITPUF
39. If “SUGAR” is coded as “TVHBS”, how is “SALT” coded?
A) TBMU
B) TBHS
C) UBMT
D) UBMH
Answer: A) TBMU
40. If “GOAL” is written as “HPBM”, what is the code for “TARGET”?
A) UBTHFU
B) UBTHFT
C) UBTHFQ
D) UBTGHV
Answer: A) UBTHFU
41. If “CHOCOLATE” is coded as “DIPDPMPUB”, how will “MILK” be coded?
A) NJML
B) NJMK
C) OJLN
D) OJMK
Answer: B) NJMK
42. If “KNIFE” is written as “LOJGF”, how is “PLATE” coded?
A) QMBUF
B) QMBTE
C) QMCUF
D) QMFUF
Answer: A) QMBUF
43. If “ORANGE” is coded as “PSBHF”, how is “APPLE” coded?
A) BQQMF
B) BQQGG
C) BQQHG
D) BQQNF
Answer: A) BQQMF
44. If “COMPUTER” is coded as “DPQVUFS”, how is “LAPTOP” written?
A) MBQUPR
B) MBQUPQ
C) MBQUPS
D) MBQURP
Answer: B) MBQUPQ
45. If “LUNCH” is coded as “MVODI”, how is “BRUNCH” coded?
A) CSODJ
B) DSPEJ
C) DSSDK
D) CSPDJ
Answer: A) CSODJ
46. If “START” is written as “UUTBS”, how is “MUSIC” coded?
A) NVDJD
B) NVEJE
C) NVGJD
D) NVFIE
Answer: B) NVEJE
47. If “DOOR” is coded as “EPPS”, how is “WINDOW” coded?
A) XJEXYV
B) XJEYXW
C) XJFWXU
D) XJEXWU
Answer: A) XJEXYV
48. If “ROSE” is coded as “SPTF”, how is “FLOWER” coded?
A) GMPXFS
B) GMQXFS
C) GMPWFS
D) GMQXFN
Answer: A) GMPXFS
49. If “SUN” is coded as “TVN”, how is “MOON” coded?
A) NPPM
B) NPPP
C) OPPN
D) OPPP
Answer: A) NPPM
50. If “AFTER” is coded as “BGSF”, what is the code for “BEGIN”?
A) CFHIJ
B) DGHIJ
C) DEGHJ
D) DFGHI
Answer: B) DGHIJ
51. If “COMPUTER” is coded as “DPNVQFS”, how is “LAPTOP” coded?
A) MBQUPR
B) MBQUPQ
C) MBQUPS
D) MBQURP
Answer: B) MBQUPQ
52. If “ROSE” is written as “TPSF”, how is “VIOLET” coded?
A) WJPXFS
B) WJPXFT
C) XJQYFU
D) WJQXGT
Answer: A) WJPXFS
53. If “NEON” is written as “OFPO”, how is “BLUE” written in the same code?
A) CMFV
B) CMFU
C) DMGV
D) CNGV
Answer: B) CMFU
54. If “GREAT” is written as “HSFBU”, how is “SMART” coded?
A) TNBSU
B) UBNSV
C) TNBST
D) TNBSQ
Answer: A) TNBSU
55. If “FLOOD” is coded as “GMPPE”, how is “RAIN” coded?
A) SJOJ
B) SLPJ
C) SMOK
D) SLPI
Answer: B) SLPJ
56. If “DOG” is coded as “EPH”, how is “CAT” coded?
A) DBU
B) DBV
C) CBU
D) CBV
Answer: A) DBU
57. If “PEACE” is written as “QFBDF”, how is “HARMONY” written?
A) IBSPNQZ
B) IBSPNQX
C) ICQPMY
D) IBSPMYX
Answer: A) IBSPNQZ
58. If “TOMATO” is written as “UPNBUP”, how is “POTATO” written?
A) QPUPUP
B) QPUPUQ
C) QPUNUP
D) QPUQUP
Answer: B) QPUPUQ
59. If “APPLE” is written as “BQMMF”, how is “BANANA” written?
A) CBOBMB
B) CBOBNC
C) CBOCBM
D) CBOCBB
Answer: A) CBOBMB
60. If “MONEY” is coded as “NOPFZ”, how is “CASH” written?
A) DBTI
B) DBTH
C) DBVI
D) DCSI
Answer: A) DBTI
61. If “BOOK” is coded as “CPPL”, what is the code for “READ”?
A) SFBE
B) SFCD
C) SGFE
D) SFED
Answer: A) SFBE
62. If “FIRE” is coded as “GJUF”, what will “WATER” be coded as?
A) XBUFS
B) XGUVT
C) XBUFV
D) XGTUF
Answer: A) XBUFS
63. If “LIGHT” is coded as “MJHIU”, how is “SHINE” coded?
A) TIJOF
B) TJJMF
C) TIJMG
D) TIJMF
Answer: B) TJJMF
64. If “STUDENT” is coded as “TUFVEFOU”, what is the code for “LEARN”?
A) MFBOS
B) MFBNS
C) MFCOS
D) MFBNX
Answer: A) MFBOS
65. If “CHAIR” is coded as “DIBJS”, how is “TABLE” coded?
A) UBCMF
B) UBCMG
C) UBDMF
D) UBDMG
Answer: A) UBCMF
66. If “BLOOM” is coded as “CNPPN”, how is “PLANT” coded?
A) QOQMU
B) QPLNU
C) QPLMT
D) QPNLT
Answer: C) QPLMT
67. If “MATH” is written as “NBUI”, how will “SCIENCE” be written?
A) TDJFOFF
B) TDJGDFF
C) TDJGFZ
D) TEJGDY
Answer: A) TDJFOFF
68. If “BEAUTY” is written as “CFBVUZ”, how is “STYLISH” coded?
A) TZXMJTH
B) UYZMJTH
C) TZYKJTH
D) UYZMZTH
Answer: C) TZYKJTH
69. If “BROWN” is coded as “CSPSO”, how is “BLACK” written?
A) CMBBL
B) CMBCB
C) CMABJ
D) CMBCS
Answer: B) CMBCB
70. If “CLOUD” is written as “DPVPE”, what is the code for “RAIN”?
A) SJPO
B) SJPL
C) TKMN
D) SJPQ
Answer: D) SJPQ
These 70 tough coding-decoding questions are a great way to sharpen your logical reasoning skills. The more you practice such questions, the better you’ll become at identifying patterns and solving them quickly in competitive exams. Keep practicing, and good luck
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