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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 530 · 40 questions
TalentJR

How to think it through (Letter by letter): Write the word above its code and compare each pair of letters. Find the rule: the same move (+1, −2 …), opposite letters (A ↔ Z, B ↔ Y), or the word reversed. Apply the same rule to the new word. After Z comes A again.

NameDateTime takenScore ___ / 40
  1. 1.If BALL is written as KKZA, how is RAIN written in the same code? (a) OJBS (b) QZHM (c) NIAR (d) MHZQ
  2. 2.If LION is written as ORLM, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) GLBH (d) UPZT
  3. 3.If BOAT is written as TAOB, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) TIJQ (d) PIHS
  4. 4.If MOON is written as NPPO, how is GOLD written in the same code? (a) IQNF (b) HPME (c) EMPH (d) FNKC
  5. 5.If DRUM is written as LTQC, how is PEN written in the same code? (a) ODM (b) NEP (c) MDO (d) OFQ
  6. 6.If DESK is written as KSED, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
  7. 7.If FROG is written as UILT, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) XYNN (d) YZOO
  8. 8.If MOON is written as LNNM, how is BOOK written in the same code? (a) BOOK (b) ZMMI (c) CPPL (d) ANNJ
  9. 9.If BALL is written as AZKK, how is HAND written in the same code? (a) IBOE (b) HAND (c) GZMC (d) FYLB
  10. 10.If DOG is written as IQF, how is CAT written in the same code? (a) ECV (b) VCE (c) RYA (d) TAC
  11. 11.If SHIP is written as RKJU, how is SUN written in the same code? (a) NUS (b) PWU (c) LSQ (d) UWP
  12. 12.If SHIP is written as HSRK, how is STAR written in the same code? (a) TUBS (b) HGZI (c) IHAJ (d) GFYH
  13. 13.If DRUM is written as FTWO, how is COLD written in the same code? (a) FROG (b) DPME (c) AMJB (d) EQNF
  14. 14.If SUN is written as HFM, how is NEST written in the same code? (a) MVHG (b) OFTU (c) NWIH (d) LUGF
  15. 15.If TOYS is written as UAQV, how is TREE written in the same code? (a) GGTV (b) CCPR (c) EERT (d) VTGG
  16. 16.If LION is written as OLRQ, how is WIND written in the same code? (a) ZLQG (b) TFKA (c) AMRH (d) YKPF
  17. 17.If DOG is written as EPH, how is DRUM written in the same code? (a) NVSE (b) FTWO (c) CQTL (d) ESVN
  18. 18.If CAT is written as TAC, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
  19. 19.If MILK is written as OKNM, how is STAR written in the same code? (a) UVCT (b) TUBS (c) QRYP (d) VWDU
  20. 20.If PARK is written as LSBQ, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) NVSE (d) MURD
  21. 21.If NEST is written as MVHG, how is FROG written in the same code? (a) THKS (b) GSPH (c) VJMU (d) UILT
  22. 22.If BELL is written as LLEB, how is FROG written in the same code? (a) HPSG (b) GSPH (c) FNQE (d) GORF
  23. 23.If GOLD is written as IQNF, how is LAMP written in the same code? (a) ODPS (b) JYKN (c) NCOR (d) MBNQ
  24. 24.If GOLD is written as EMJB, how is BOAT written in the same code? (a) ZMYR (b) DQCV (c) ANZS (d) YLXQ
  25. 25.If MILK is written as KGJI, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) ZXHB (d) AYIC
  26. 26.If STAR is written as RATS, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
  27. 27.If HAND is written as CMZG, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) ADKK
  28. 28.If CAKE is written as GMCE, how is BOOK written in the same code? (a) DQQM (b) KOOB (c) IMMZ (d) MQQD
  29. 29.If SUN is written as OVT, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
  30. 30.If MOON is written as NPPO, how is LION written in the same code? (a) MJPO (b) KHNM (c) OPJM (d) NKQP
  31. 31.If BALL is written as LLAB, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) NJML
  32. 32.If STAR is written as RATS, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
  33. 33.If LAMP is written as OZNK, how is NEST written in the same code? (a) OFTU (b) LUGF (c) NWIH (d) MVHG
  34. 34.If TREE is written as FFSU, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
  35. 35.If PARK is written as KZIP, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
  36. 36.If BOOK is written as KOOB, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
  37. 37.If DOG is written as WLT, how is LION written in the same code? (a) PSMN (b) ORLM (c) NQKL (d) MJPO
  38. 38.If TREE is written as GIVV, how is TOYS written in the same code? (a) GLBH (b) UPZT (c) HMCI (d) FKAG
  39. 39.If PEN is written as KVM, how is FROG written in the same code? (a) UILT (b) GSPH (c) VJMU (d) THKS
  40. 40.If PEN is written as KVM, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) YLLP (d) CPPL

Answer key

  1. MHZQ
  2. GLBH
  3. PIHS
  4. HPME
  5. MDO
  6. KOOB
  7. YZOO
  8. ANNJ
  9. GZMC
  10. VCE
  11. PWU
  12. HGZI
  13. EQNF
  14. MVHG
  15. GGTV
  16. ZLQG
  17. ESVN
  18. SYOT
  19. UVCT
  20. NVSE
  21. UILT
  22. GORF
  23. NCOR
  24. ZMYR
  25. AYIC
  26. NIAR
  27. KKDA
  28. MQQD
  29. LMJN
  30. MJPO
  31. KLIM
  32. LLEB
  33. MVHG
  34. EOJX
  35. KVM
  36. DNIW
  37. ORLM
  38. GLBH
  39. UILT
  40. YLLP

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