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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 995 · 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 FISH is written as HKUJ, how is BOOK written in the same code? (a) CPPL (b) ZMMI (c) DQQM (d) ERRN
  2. 2.If CAT is written as XZG, how is HAND written in the same code? (a) RYLV (b) TANX (c) SZMW (d) IBOE
  3. 3.If NEST is written as MVHG, how is DOG written in the same code? (a) XMU (b) EPH (c) WLT (d) VKS
  4. 4.If FROG is written as HTQI, how is CAT written in the same code? (a) AYR (b) FDW (c) DBU (d) ECV
  5. 5.If TOYS is written as RMWQ, how is FROG written in the same code? (a) DPME (b) COLD (c) EQNF (d) HTQI
  6. 6.If CAKE is written as EKAC, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) GJTI
  7. 7.If DRUM is written as BPSK, how is BOOK written in the same code? (a) ZMMI (b) YLLH (c) ANNJ (d) DQQM
  8. 8.If DOG is written as CNF, how is FROG written in the same code? (a) EQNF (b) GSPH (c) FROG (d) DPME
  9. 9.If WIND is written as DNIW, how is CAT written in the same code? (a) SZB (b) TAC (c) DBU (d) UBD
  10. 10.If LION is written as ORLM, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
  11. 11.If MILK is written as LHKJ, how is CAKE written in the same code? (a) AYIC (b) DBLF (c) CAKE (d) BZJD
  12. 12.If WIND is written as XJOE, how is TREE written in the same code? (a) SQDD (b) FFSU (c) VTGG (d) USFF
  13. 13.If HAND is written as CMZG, how is JUMP written in the same code? (a) ITLO (b) PMUJ (c) QNVK (d) OLTI
  14. 14.If GOLD is written as DLOG, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) UBPC (d) CPBU
  15. 15.If CAKE is written as XZPV, how is GOLD written in the same code? (a) HPME (b) SKNV (c) TLOW (d) UMPX
  16. 16.If CAT is written as XZG, how is COLD written in the same code? (a) DPME (b) WKNV (c) YMPX (d) XLOW
  17. 17.If KITE is written as PRGV, how is PEN written in the same code? (a) LWN (b) JUL (c) QFO (d) KVM
  18. 18.If PEN is written as OFQ, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
  19. 19.If TOYS is written as GLBH, how is BOOK written in the same code? (a) ZMMQ (b) YLLP (c) CPPL (d) XKKO
  20. 20.If MOON is written as NOOM, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) FUJL (d) ETIK
  21. 21.If WIND is written as EOJX, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
  22. 22.If CAT is written as XZG, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
  23. 23.If BOOK is written as KOOB, how is FISH written in the same code? (a) GRHE (b) HSIF (c) ITJG (d) GJTI
  24. 24.If LION is written as ORLM, how is TOYS written in the same code? (a) HMCI (b) GLBH (c) UPZT (d) FKAG
  25. 25.If BOOK is written as YLLP, how is HAND written in the same code? (a) SZMW (b) TANX (c) IBOE (d) RYLV
  26. 26.If JUMP is written as PMUJ, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) LPPC (d) JNNA
  27. 27.If BOOK is written as ANNJ, how is MILK written in the same code? (a) MILK (b) LHKJ (c) NJML (d) KGJI
  28. 28.If BOOK is written as JNNA, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) ODM
  29. 29.If MILK is written as LHKJ, how is TOYS written in the same code? (a) TOYS (b) SNXR (c) UPZT (d) RMWQ
  30. 30.If TOYS is written as SYOT, how is BELL written in the same code? (a) CFMM (b) MMFC (c) KKDA (d) LLEB
  31. 31.If HAND is written as GZMC, how is TOYS written in the same code? (a) RMWQ (b) SNXR (c) TOYS (d) UPZT
  32. 32.If BOOK is written as KOOB, how is MILK written in the same code? (a) LMJN (b) KLIM (c) JKHL (d) NJML
  33. 33.If WIND is written as YKPF, how is BOAT written in the same code? (a) ERDW (b) DQCV (c) CPBU (d) ZMYR
  34. 34.If PARK is written as KZIP, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
  35. 35.If MOON is written as NOOM, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
  36. 36.If TREE is written as FFSU, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
  37. 37.If BOOK is written as YLLP, how is LION written in the same code? (a) MJPO (b) ORLM (c) PSMN (d) NQKL
  38. 38.If CAKE is written as XZPV, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
  39. 39.If TOYS is written as GLBH, how is FROG written in the same code? (a) UILT (b) GSPH (c) THKS (d) VJMU
  40. 40.If WIND is written as YKPF, how is GOLD written in the same code? (a) HPME (b) IQNF (c) EMJB (d) JROG

Answer key

  1. DQQM
  2. SZMW
  3. WLT
  4. ECV
  5. DPME
  6. HSIF
  7. ZMMI
  8. EQNF
  9. TAC
  10. URHS
  11. BZJD
  12. USFF
  13. OLTI
  14. TAOB
  15. TLOW
  16. XLOW
  17. KVM
  18. EOBI
  19. YLLP
  20. ETIK
  21. LTFE
  22. GIVV
  23. HSIF
  24. GLBH
  25. SZMW
  26. KOOB
  27. LHKJ
  28. MDO
  29. SNXR
  30. LLEB
  31. SNXR
  32. KLIM
  33. DQCV
  34. KVM
  35. NUS
  36. QNVK
  37. ORLM
  38. HFM
  39. UILT
  40. IQNF

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