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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 462 · 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 COLD is written as DLOC, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
  2. 2.If STAR is written as HGZI, how is TOYS written in the same code? (a) UPZT (b) GLBH (c) FKAG (d) HMCI
  3. 3.If TREE is written as GIVV, how is DESK written in the same code? (a) VUGO (b) EFTL (c) XWIQ (d) WVHP
  4. 4.If MOON is written as LNNM, how is LAMP written in the same code? (a) MBNQ (b) KZLO (c) LAMP (d) JYKN
  5. 5.If MILK is written as MNKO, how is STAR written in the same code? (a) TCVU (b) UVCT (c) RATS (d) PYRQ
  6. 6.If CAT is written as XZG, how is FISH written in the same code? (a) GJTI (b) VSIT (c) TQGR (d) URHS
  7. 7.If DOG is written as WLT, how is SHIP written in the same code? (a) ITSL (b) HSRK (c) TIJQ (d) GRQJ
  8. 8.If FROG is written as HTQI, how is FISH written in the same code? (a) HKUJ (b) ILVK (c) GJTI (d) DGQF
  9. 9.If SHIP is written as PIHS, how is BELL written in the same code? (a) MMFC (b) LLEB (c) CFMM (d) KKDA
  10. 10.If PEN is written as ODM, how is FROG written in the same code? (a) FROG (b) DPME (c) GSPH (d) EQNF
  11. 11.If NEST is written as TSEN, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) QNBM (d) MBNQ
  12. 12.If DRUM is written as NVSE, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
  13. 13.If DESK is written as WVHP, how is RAIN written in the same code? (a) HYQL (b) JASN (c) SBJO (d) IZRM
  14. 14.If TOYS is written as GLBH, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
  15. 15.If WIND is written as XJOE, how is DOG written in the same code? (a) EPH (b) CNF (c) FQI (d) HPE
  16. 16.If NEST is written as VUGP, how is COLD written in the same code? (a) EQNF (b) DLOC (c) BJMA (d) FNQE
  17. 17.If BELL is written as LLEB, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) HPME (d) CKNF
  18. 18.If SUN is written as PWU, how is PEN written in the same code? (a) RGP (b) NEP (c) LCN (d) PGR
  19. 19.If FISH is written as ILVK, how is WIND written in the same code? (a) AMRH (b) YKPF (c) ZLQG (d) TFKA
  20. 20.If NEST is written as OFTU, how is COLD written in the same code? (a) EQNF (b) DPME (c) EMPD (d) BNKC
  21. 21.If PARK is written as SDUN, how is FISH written in the same code? (a) HKUJ (b) ILVK (c) CFPE (d) JMWL
  22. 22.If BALL is written as MMBC, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) MJPO
  23. 23.If HAND is written as DNAH, how is FISH written in the same code? (a) GRHE (b) ITJG (c) HSIF (d) GJTI
  24. 24.If CAT is written as DBU, how is TOYS written in the same code? (a) UPZT (b) VQAU (c) SNXR (d) TZPU
  25. 25.If WIND is written as CMHV, how is LION written in the same code? (a) MNHK (b) OPJM (c) KHNM (d) NOIL
  26. 26.If MILK is written as LMJN, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
  27. 27.If MOON is written as PRRQ, how is DOG written in the same code? (a) GRJ (b) ALD (c) HSK (d) FQI
  28. 28.If DESK is written as BCQI, how is SUN written in the same code? (a) PRK (b) QSL (c) UWP (d) RTM
  29. 29.If LAMP is written as JYKN, how is DESK written in the same code? (a) ABPH (b) FGUM (c) CDRJ (d) BCQI
  30. 30.If STAR is written as SBUT, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) KOOB (d) LPPC
  31. 31.If BOAT is written as TAOB, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
  32. 32.If BELL is written as LLEB, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
  33. 33.If STAR is written as RATS, how is NEST written in the same code? (a) UTFO (b) OFTU (c) TSEN (d) SRDM
  34. 34.If LION is written as NOIL, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
  35. 35.If GOLD is written as JROG, how is DOG written in the same code? (a) ALD (b) HSK (c) FQI (d) GRJ
  36. 36.If FISH is written as ITJG, how is WIND written in the same code? (a) DNIW (b) XJOE (c) CMHV (d) EOJX
  37. 37.If WIND is written as DRMW, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
  38. 38.If STAR is written as RSZQ, how is FISH written in the same code? (a) EHRG (b) FISH (c) DGQF (d) GJTI
  39. 39.If TREE is written as VTGG, how is DESK written in the same code? (a) FGUM (b) GHVN (c) EFTL (d) BCQI
  40. 40.If LAMP is written as MBNQ, how is MILK written in the same code? (a) NJML (b) LMJN (c) LHKJ (d) OKNM

Answer key

  1. GORF
  2. GLBH
  3. WVHP
  4. KZLO
  5. TCVU
  6. URHS
  7. HSRK
  8. HKUJ
  9. LLEB
  10. EQNF
  11. PMAL
  12. OVT
  13. IZRM
  14. URHS
  15. EPH
  16. FNQE
  17. DLOG
  18. PGR
  19. ZLQG
  20. DPME
  21. ILVK
  22. OPJM
  23. HSIF
  24. UPZT
  25. MNHK
  26. EMPD
  27. GRJ
  28. QSL
  29. BCQI
  30. LPPC
  31. TAC
  32. HSIF
  33. TSEN
  34. NOOM
  35. GRJ
  36. EOJX
  37. YLZG
  38. EHRG
  39. FGUM
  40. NJML

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