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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 71 · 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 FROG is written as IURJ, how is MILK written in the same code? (a) PLON (b) OKNM (c) QMPO (d) JFIH
  2. 2.If DOG is written as BME, how is PEN written in the same code? (a) ODM (b) RGP (c) NCL (d) MBK
  3. 3.If WIND is written as EOJX, how is BELL written in the same code? (a) MMFC (b) KKDA (c) LLEB (d) CFMM
  4. 4.If DESK is written as WVHP, how is MOON written in the same code? (a) NLLM (b) OMMN (c) MKKL (d) NPPO
  5. 5.If BOOK is written as CPPL, how is CAT written in the same code? (a) BZS (b) ECV (c) UBD (d) DBU
  6. 6.If BOAT is written as ERDW, how is PEN written in the same code? (a) SHQ (b) RGP (c) TIR (d) MBK
  7. 7.If MILK is written as NJML, how is STAR written in the same code? (a) UVCT (b) TUBS (c) SBUT (d) RSZQ
  8. 8.If BOAT is written as UBPC, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) ESVN
  9. 9.If BOAT is written as ZMYR, how is NEST written in the same code? (a) MDRS (b) PGUV (c) KBPQ (d) LCQR
  10. 10.If CAKE is written as BZJD, how is KITE written in the same code? (a) IGRC (b) LJUF (c) KITE (d) JHSD
  11. 11.If JUMP is written as QFNK, how is NEST written in the same code? (a) MVHG (b) OFTU (c) NWIH (d) LUGF
  12. 12.If MOON is written as NOOM, how is DESK written in the same code? (a) LTFE (b) JRDC (c) EFTL (d) KSED
  13. 13.If TOYS is written as GLBH, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NJML (d) NROP
  14. 14.If FISH is written as URHS, how is JUMP written in the same code? (a) RGOL (b) KVNQ (c) PEMJ (d) QFNK
  15. 15.If TOYS is written as RMWQ, how is TREE written in the same code? (a) QOBB (b) SQDD (c) VTGG (d) RPCC
  16. 16.If SUN is written as OVT, how is DRUM written in the same code? (a) MURD (b) ESVN (c) LTQC (d) NVSE
  17. 17.If MOON is written as PQQO, how is NEST written in the same code? (a) PGUV (b) TSEN (c) RQCL (d) VUGP
  18. 18.If BOOK is written as KOOB, how is GOLD written in the same code? (a) DLOG (b) HPME (c) CKNF (d) EMPH
  19. 19.If SHIP is written as RKJU, how is LAMP written in the same code? (a) NKYJ (b) PMAL (c) NCOR (d) ROCN
  20. 20.If DOG is written as GRJ, how is BOOK written in the same code? (a) FSSO (b) YLLH (c) ERRN (d) DQQM
  21. 21.If WIND is written as VHMC, how is COLD written in the same code? (a) COLD (b) AMJB (c) DPME (d) BNKC
  22. 22.If BOAT is written as CPBU, how is DOG written in the same code? (a) HPE (b) FQI (c) EPH (d) CNF
  23. 23.If DOG is written as CNF, how is BOOK written in the same code? (a) BOOK (b) ANNJ (c) ZMMI (d) CPPL
  24. 24.If TOYS is written as TZPU, how is WIND written in the same code? (a) CMHV (b) EOJX (c) XJOE (d) DNIW
  25. 25.If LION is written as ORLM, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) SBJO (d) JASN
  26. 26.If BOAT is written as SZNA, how is CAKE written in the same code? (a) BZJD (b) FLBD (c) EKAC (d) DJZB
  27. 27.If KITE is written as FUJL, how is DESK written in the same code? (a) LTFE (b) KSED (c) EFTL (d) JRDC
  28. 28.If FISH is written as DGQF, how is RAIN written in the same code? (a) QZHM (b) TCKP (c) PYGL (d) OXFK
  29. 29.If NEST is written as MVHG, how is MILK written in the same code? (a) NJML (b) MQNO (c) NROP (d) OSPQ
  30. 30.If LAMP is written as KZLO, how is MOON written in the same code? (a) KMML (b) LNNM (c) MOON (d) NPPO
  31. 31.If HAND is written as SZMW, how is LION written in the same code? (a) PSMN (b) MJPO (c) ORLM (d) NQKL
  32. 32.If PARK is written as KRAP, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) OLZK (d) MBNQ
  33. 33.If DESK is written as LTFE, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) KRAP (d) JQZO
  34. 34.If SHIP is written as HSRK, how is FISH written in the same code? (a) TQGR (b) GJTI (c) VSIT (d) URHS
  35. 35.If JUMP is written as PMUJ, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) OJBS (d) NIAR
  36. 36.If BOAT is written as YLZG, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NPPO (d) NLLM
  37. 37.If WIND is written as VHMC, how is MILK written in the same code? (a) MILK (b) NJML (c) LHKJ (d) KGJI
  38. 38.If SHIP is written as RKJU, how is LION written in the same code? (a) NKQP (b) LMGJ (c) NOIL (d) PQKN
  39. 39.If TOYS is written as SYOT, how is WIND written in the same code? (a) EOJX (b) XJOE (c) CMHV (d) DNIW
  40. 40.If SUN is written as HFM, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) HYQL (d) JASN

Answer key

  1. PLON
  2. NCL
  3. MMFC
  4. NLLM
  5. DBU
  6. SHQ
  7. TUBS
  8. NVSE
  9. LCQR
  10. JHSD
  11. MVHG
  12. KSED
  13. NROP
  14. QFNK
  15. RPCC
  16. NVSE
  17. VUGP
  18. DLOG
  19. ROCN
  20. ERRN
  21. BNKC
  22. EPH
  23. ANNJ
  24. EOJX
  25. IZRM
  26. DJZB
  27. LTFE
  28. PYGL
  29. NROP
  30. LNNM
  31. ORLM
  32. PMAL
  33. LSBQ
  34. URHS
  35. NIAR
  36. NLLM
  37. LHKJ
  38. PQKN
  39. DNIW
  40. IZRM

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