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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 143 · 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 DRUM is written as WIFN, how is LION written in the same code? (a) ORLM (b) NQKL (c) MJPO (d) PSMN
  2. 2.If DOG is written as HPE, how is FISH written in the same code? (a) ITJG (b) GRHE (c) HSIF (d) GJTI
  3. 3.If DRUM is written as LTQC, how is FROG written in the same code? (a) GORF (b) HPSG (c) EQNF (d) FNQE
  4. 4.If PEN is written as MDO, how is TREE written in the same code? (a) FFSU (b) SQDD (c) DDQS (d) EERT
  5. 5.If FISH is written as ITJG, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) KVNQ (d) PMUJ
  6. 6.If NEST is written as PGUV, how is COLD written in the same code? (a) AMJB (b) EQNF (c) DPME (d) FROG
  7. 7.If COLD is written as EQNF, how is BOAT written in the same code? (a) CPBU (b) ZMYR (c) DQCV (d) ERDW
  8. 8.If CAKE is written as DJZB, how is RAIN written in the same code? (a) QZHM (b) OJBS (c) MHZQ (d) NIAR
  9. 9.If MILK is written as MNKO, how is DESK written in the same code? (a) IQCB (b) MUGF (c) FGUM (d) KSED
  10. 10.If BELL is written as LLEB, how is MOON written in the same code? (a) NOOM (b) OPPN (c) MNNL (d) NPPO
  11. 11.If MOON is written as NOOM, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) XJOE
  12. 12.If CAT is written as XZG, how is DESK written in the same code? (a) XWIQ (b) VUGO (c) EFTL (d) WVHP
  13. 13.If JUMP is written as OLTI, how is BOAT written in the same code? (a) ANZS (b) TAOB (c) UBPC (d) SZNA
  14. 14.If DRUM is written as GUXP, how is STAR written in the same code? (a) WXEV (b) PQXO (c) VWDU (d) UVCT
  15. 15.If JUMP is written as QNVK, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) JQZO (d) KRAP
  16. 16.If CAT is written as XZG, how is MOON written in the same code? (a) NPPO (b) OMMN (c) NLLM (d) MKKL
  17. 17.If CAKE is written as ECMG, how is PEN written in the same code? (a) RGP (b) NCL (c) SHQ (d) QFO
  18. 18.If FISH is written as ITJG, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
  19. 19.If LION is written as ORLM, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) TUBS (d) HGZI
  20. 20.If BOAT is written as SZNA, how is LION written in the same code? (a) NOIL (b) KHNM (c) OPJM (d) MNHK
  21. 21.If DESK is written as GHVN, how is CAKE written in the same code? (a) FDNH (b) GEOI (c) ZXHB (d) ECMG
  22. 22.If COLD is written as EQNF, how is MILK written in the same code? (a) NJML (b) KGJI (c) OKNM (d) PLON
  23. 23.If BELL is written as ZCJJ, how is HAND written in the same code? (a) GZMC (b) JCPF (c) EXKA (d) FYLB
  24. 24.If SUN is written as NUS, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
  25. 25.If CAKE is written as FLBD, how is STAR written in the same code? (a) SBUT (b) TUBS (c) RATS (d) QZSR
  26. 26.If JUMP is written as MXPS, how is FISH written in the same code? (a) ILVK (b) CFPE (c) JMWL (d) HKUJ
  27. 27.If DOG is written as WLT, how is SUN written in the same code? (a) GEL (b) HFM (c) TVO (d) IGN
  28. 28.If CAKE is written as XZPV, how is FISH written in the same code? (a) TQGR (b) GJTI (c) URHS (d) VSIT
  29. 29.If BALL is written as YZOO, how is PEN written in the same code? (a) QFO (b) KVM (c) LWN (d) JUL
  30. 30.If KITE is written as ETIK, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
  31. 31.If PEN is written as MDO, how is CAT written in the same code? (a) SZB (b) BZS (c) UBD (d) TAC
  32. 32.If JUMP is written as PMUJ, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
  33. 33.If DOG is written as GOD, how is DESK written in the same code? (a) KSED (b) EFTL (c) JRDC (d) LTFE
  34. 34.If CAKE is written as DBLF, how is COLD written in the same code? (a) DPME (b) EMPD (c) BNKC (d) EQNF
  35. 35.If BOAT is written as YLZG, how is CAT written in the same code? (a) WYF (b) DBU (c) YAH (d) XZG
  36. 36.If JUMP is written as ROWL, how is DOG written in the same code? (a) GOD (b) FQI (c) EMB (d) IQF
  37. 37.If BALL is written as DCNN, how is TREE written in the same code? (a) RPCC (b) VTGG (c) WUHH (d) USFF
  38. 38.If MOON is written as OPPN, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
  39. 39.If PARK is written as OZQJ, how is MILK written in the same code? (a) LHKJ (b) NJML (c) MILK (d) KGJI
  40. 40.If BOOK is written as YLLP, how is CAKE written in the same code? (a) YAQW (b) XZPV (c) DBLF (d) WYOU

Answer key

  1. ORLM
  2. ITJG
  3. FNQE
  4. DDQS
  5. QNVK
  6. EQNF
  7. DQCV
  8. MHZQ
  9. MUGF
  10. NOOM
  11. DNIW
  12. WVHP
  13. SZNA
  14. VWDU
  15. LSBQ
  16. NLLM
  17. RGP
  18. TZPU
  19. HGZI
  20. MNHK
  21. FDNH
  22. OKNM
  23. FYLB
  24. KOOB
  25. SBUT
  26. ILVK
  27. HFM
  28. URHS
  29. KVM
  30. KOOB
  31. SZB
  32. LLEB
  33. KSED
  34. DPME
  35. XZG
  36. IQF
  37. VTGG
  38. QNVK
  39. LHKJ
  40. XZPV

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