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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 837 · 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 BOOK is written as KOOB, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DPME (d) DLOC
  2. 2.If NEST is written as SRDM, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) JHSD (d) ETIK
  3. 3.If HAND is written as EOBI, how is FISH written in the same code? (a) GRHE (b) HSIF (c) GJTI (d) ITJG
  4. 4.If COLD is written as XLOW, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
  5. 5.If FROG is written as IURJ, how is FISH written in the same code? (a) ILVK (b) HKUJ (c) CFPE (d) JMWL
  6. 6.If BALL is written as EDOO, how is LION written in the same code? (a) OLRQ (b) NKQP (c) IFLK (d) PMSR
  7. 7.If WIND is written as DNIW, how is FISH written in the same code? (a) GRHE (b) GJTI (c) HSIF (d) ITJG
  8. 8.If COLD is written as XLOW, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) CPPL (d) YLLP
  9. 9.If BELL is written as NNGD, how is TOYS written in the same code? (a) UAQV (b) QWMR (c) VQAU (d) SYOT
  10. 10.If MOON is written as NPPO, how is FROG written in the same code? (a) HTQI (b) EQNF (c) HPSG (d) GSPH
  11. 11.If TOYS is written as SNXR, how is TREE written in the same code? (a) TREE (b) RPCC (c) USFF (d) SQDD
  12. 12.If DOG is written as WLT, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) WIFN (d) XJGO
  13. 13.If TOYS is written as SYOT, how is TREE written in the same code? (a) EERT (b) DDQS (c) USFF (d) FFSU
  14. 14.If FROG is written as GSPH, how is COLD written in the same code? (a) DPME (b) EQNF (c) BNKC (d) EMPD
  15. 15.If PEN is written as NEP, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) DBLF
  16. 16.If BOOK is written as MQQD, how is WIND written in the same code? (a) YKPF (b) FPKY (c) DNIW (d) BLGU
  17. 17.If FROG is written as GORF, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) MHZQ (d) SBJO
  18. 18.If PEN is written as NEP, how is FROG written in the same code? (a) GORF (b) GSPH (c) HPSG (d) FNQE
  19. 19.If FISH is written as HSIF, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
  20. 20.If STAR is written as QRYP, how is MOON written in the same code? (a) JLLK (b) LNNM (c) KMML (d) OQQP
  21. 21.If LION is written as NOIL, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
  22. 22.If STAR is written as SBUT, how is TREE written in the same code? (a) DDQS (b) EERT (c) USFF (d) FFSU
  23. 23.If KITE is written as PRGV, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
  24. 24.If BOAT is written as TAOB, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
  25. 25.If GOLD is written as TLOW, how is TOYS written in the same code? (a) GLBH (b) FKAG (c) UPZT (d) HMCI
  26. 26.If KITE is written as PRGV, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) XJGO (d) WIFN
  27. 27.If LAMP is written as OLZK, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) ANZS
  28. 28.If GOLD is written as HPME, how is BELL written in the same code? (a) DGNN (b) ADKK (c) MMFC (d) CFMM
  29. 29.If PARK is written as QBSL, how is MOON written in the same code? (a) NPPO (b) OPPN (c) OQQP (d) LNNM
  30. 30.If LAMP is written as PMAL, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) OJBS (d) NIAR
  31. 31.If GOLD is written as DLOG, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) TZPU (d) UPZT
  32. 32.If RAIN is written as PKCT, how is BOOK written in the same code? (a) DQQM (b) MQQD (c) IMMZ (d) KOOB
  33. 33.If CAT is written as TAC, how is NEST written in the same code? (a) OFTU (b) TSEN (c) SRDM (d) UTFO
  34. 34.If DRUM is written as NVSE, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
  35. 35.If FISH is written as URHS, how is MOON written in the same code? (a) NPPO (b) NLLM (c) MKKL (d) OMMN
  36. 36.If BOAT is written as YLZG, how is TOYS written in the same code? (a) UPZT (b) FKAG (c) GLBH (d) HMCI
  37. 37.If CAT is written as XZG, how is LION written in the same code? (a) NQKL (b) PSMN (c) ORLM (d) MJPO
  38. 38.If BALL is written as YZOO, how is RAIN written in the same code? (a) IZRM (b) JASN (c) HYQL (d) SBJO
  39. 39.If NEST is written as TSEN, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) FUJL (d) LJUF
  40. 40.If PARK is written as SDUN, how is CAKE written in the same code? (a) ZXHB (b) FDNH (c) GEOI (d) ECMG

Answer key

  1. DLOC
  2. DSHJ
  3. ITJG
  4. HFM
  5. ILVK
  6. OLRQ
  7. HSIF
  8. YLLP
  9. UAQV
  10. GSPH
  11. SQDD
  12. WIFN
  13. EERT
  14. DPME
  15. EKAC
  16. FPKY
  17. NIAR
  18. GORF
  19. DLOG
  20. KMML
  21. TAC
  22. FFSU
  23. XLOW
  24. HSIF
  25. GLBH
  26. WIFN
  27. SZNA
  28. CFMM
  29. NPPO
  30. NIAR
  31. SYOT
  32. MQQD
  33. TSEN
  34. EOBI
  35. NLLM
  36. GLBH
  37. ORLM
  38. IZRM
  39. ETIK
  40. FDNH

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