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Coding–Decoding interview questions

30 Coding–Decoding questions from the Aptitude bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. In a certain code, GOLD is written as HPME. How is SUN written in that code?

Mid
  1. A.UWP
  2. B.VXQ
  3. C.SUN
  4. D.TVO

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2. In a certain code, KING is written as NLQJ. How is GOLD written in that code?

Mid
  1. A.IQNF
  2. B.JROG
  3. C.KSPH
  4. D.LTQI

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3. In a certain code, GOLD is written as IQNF. How is MOON written in that code?

Mid
  1. A.OQQP
  2. B.NPPO
  3. C.QSSR
  4. D.PRRQ

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4. In a certain code, FISH is written as JMWL. How is GOLD written in that code?

Mid
  1. A.KSPH
  2. B.MURJ
  3. C.LTQI
  4. D.JROG

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5. In a certain code, TREE is written as USFF. How is RAIN written in that code?

Mid
  1. A.RAIN
  2. B.SBJO
  3. C.TCKP
  4. D.UDLQ

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6. In a certain code, RAIN is written as UDLQ. How is MOON written in that code?

Mid
  1. A.PRRQ
  2. B.OQQP
  3. C.RTTS
  4. D.QSSR

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7. In a certain code, LAMP is written as NCOR. How is MOON written in that code?

Mid
  1. A.QSSR
  2. B.OQQP
  3. C.PRRQ
  4. D.NPPO

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8. In a certain code, STAR is written as WXEV. How is LAMP written in that code?

Mid
  1. A.ODPS
  2. B.PEQT
  3. C.QFRU
  4. D.RGSV

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9. In a certain code, RAIN is written as SBJO. How is SUN written in that code?

Mid
  1. A.SUN
  2. B.TVO
  3. C.UWP
  4. D.VXQ

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10. In a certain code, FIRE is written as ILUH. How is KING written in that code?

Mid
  1. A.MKPI
  2. B.OMRK
  3. C.PNSL
  4. D.NLQJ

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11. In a certain code, DOG is written as EPH. How is GOLD written in that code?

Mid
  1. A.JROG
  2. B.HPME
  3. C.IQNF
  4. D.GOLD

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12. In a certain code, BIRD is written as FMVH. How is KING written in that code?

Mid
  1. A.NLQJ
  2. B.QOTM
  3. C.PNSL
  4. D.OMRK

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13. In a certain code, FISH is written as GJTI. How is MOON written in that code?

Mid
  1. A.PRRQ
  2. B.NPPO
  3. C.OQQP
  4. D.MOON

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14. In a certain code, BIRD is written as CJSE. How is CAT written in that code?

Mid
  1. A.DBU
  2. B.FDW
  3. C.ECV
  4. D.CAT

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15. In a certain code, KING is written as LJOH. How is BIRD written in that code?

Mid
  1. A.ELUG
  2. B.DKTF
  3. C.CJSE
  4. D.BIRD

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16. In a certain code, LAMP is written as MBNQ. How is KING written in that code?

Mid
  1. A.LJOH
  2. B.NLQJ
  3. C.KING
  4. D.MKPI

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17. In a certain code, KING is written as LJOH. How is BOOK written in that code?

Mid
  1. A.CPPL
  2. B.BOOK
  3. C.DQQM
  4. D.ERRN

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18. In a certain code, RAIN is written as SBJO. How is GOLD written in that code?

Mid
  1. A.JROG
  2. B.HPME
  3. C.GOLD
  4. D.IQNF

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19. In a certain code, TREE is written as WUHH. How is KING written in that code?

Mid
  1. A.NLQJ
  2. B.MKPI
  3. C.OMRK
  4. D.PNSL

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20. In a certain code, LAMP is written as NCOR. How is BOOK written in that code?

Mid
  1. A.DQQM
  2. B.FSSO
  3. C.CPPL
  4. D.ERRN

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21. In a certain code, RAIN is written as VEMR. How is SUN written in that code?

Mid
  1. A.WYR
  2. B.XZS
  3. C.VXQ
  4. D.YAT

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22. In a certain code, FISH is written as HKUJ. How is DOG written in that code?

Mid
  1. A.HSK
  2. B.EPH
  3. C.FQI
  4. D.GRJ

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23. In a certain code, FIRE is written as HKTG. How is GOLD written in that code?

Mid
  1. A.JROG
  2. B.IQNF
  3. C.HPME
  4. D.KSPH

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24. In a certain code, FISH is written as ILVK. How is LAMP written in that code?

Mid
  1. A.ODPS
  2. B.NCOR
  3. C.QFRU
  4. D.PEQT

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25. In a certain code, FISH is written as HKUJ. How is STAR written in that code?

Mid
  1. A.WXEV
  2. B.VWDU
  3. C.UVCT
  4. D.TUBS

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26. In a certain code, BOOK is written as DQQM. How is DOG written in that code?

Mid
  1. A.GRJ
  2. B.HSK
  3. C.FQI
  4. D.EPH

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27. In a certain code, GOLD is written as JROG. How is KING written in that code?

Mid
  1. A.OMRK
  2. B.MKPI
  3. C.NLQJ
  4. D.PNSL

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28. In a certain code, FIRE is written as JMVI. How is BOOK written in that code?

Mid
  1. A.FSSO
  2. B.ERRN
  3. C.GTTP
  4. D.HUUQ

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29. In a certain code, MOON is written as QSSR. How is FIRE written in that code?

Mid
  1. A.LOXK
  2. B.JMVI
  3. C.ILUH
  4. D.KNWJ

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30. In a certain code, SUN is written as WYR. How is BOOK written in that code?

Mid
  1. A.HUUQ
  2. B.FSSO
  3. C.ERRN
  4. D.GTTP

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