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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 973 · 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 GUXP, how is BOAT written in the same code? (a) DQCV (b) FSEX (c) ERDW (d) YLXQ
  2. 2.If TOYS is written as GLBH, how is BALL written in the same code? (a) XYNN (b) ZAPP (c) CBMM (d) YZOO
  3. 3.If FISH is written as HSIF, how is DESK written in the same code? (a) JRDC (b) KSED (c) EFTL (d) LTFE
  4. 4.If LION is written as ORLM, how is MILK written in the same code? (a) OSPQ (b) NJML (c) NROP (d) MQNO
  5. 5.If FISH is written as GRHE, how is DRUM written in the same code? (a) LTQC (b) MURD (c) NVSE (d) CQTL
  6. 6.If DESK is written as KSED, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) USFF
  7. 7.If NEST is written as PGUV, how is DRUM written in the same code? (a) GUXP (b) ESVN (c) BPSK (d) FTWO
  8. 8.If COLD is written as CKNB, how is CAT written in the same code? (a) TAC (b) BZS (c) SZB (d) UBD
  9. 9.If TREE is written as FFSU, how is HAND written in the same code? (a) EOBI (b) CMZG (c) DNAH (d) IBOE
  10. 10.If STAR is written as RATS, how is FISH written in the same code? (a) GRHE (b) ITJG (c) GJTI (d) HSIF
  11. 11.If MILK is written as KLIM, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) HPME (d) CKNF
  12. 12.If JUMP is written as QFNK, how is DOG written in the same code? (a) VKS (b) WLT (c) EPH (d) XMU
  13. 13.If TOYS is written as VQAU, how is DOG written in the same code? (a) BME (b) FQI (c) GRJ (d) EPH
  14. 14.If LION is written as NOIL, how is MILK written in the same code? (a) LMJN (b) KLIM (c) JKHL (d) NJML
  15. 15.If BOAT is written as UBPC, how is DRUM written in the same code? (a) ESVN (b) MURD (c) LTQC (d) NVSE
  16. 16.If PARK is written as LSBQ, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) OHGR (d) QJIT
  17. 17.If WIND is written as DRMW, how is FISH written in the same code? (a) TQGR (b) VSIT (c) GJTI (d) URHS
  18. 18.If BOOK is written as LPPC, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
  19. 19.If MILK is written as NROP, how is GOLD written in the same code? (a) TLOW (b) SKNV (c) UMPX (d) HPME
  20. 20.If STAR is written as UVCT, how is BOOK written in the same code? (a) CPPL (b) ZMMI (c) DQQM (d) ERRN
  21. 21.If TOYS is written as SYOT, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) SZNA (d) TAOB
  22. 22.If LAMP is written as QNBM, how is CAT written in the same code? (a) SZB (b) UBD (c) TAC (d) DBU
  23. 23.If GOLD is written as IQNF, how is COLD written in the same code? (a) AMJB (b) EQNF (c) DPME (d) FROG
  24. 24.If CAKE is written as ECMG, how is CAT written in the same code? (a) FDW (b) AYR (c) DBU (d) ECV
  25. 25.If TREE is written as VTGG, how is RAIN written in the same code? (a) PYGL (b) UDLQ (c) SBJO (d) TCKP
  26. 26.If BELL is written as LLEB, how is SUN written in the same code? (a) MTR (b) TVO (c) OVT (d) NUS
  27. 27.If NEST is written as MVHG, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) XYNN (d) YZOO
  28. 28.If FISH is written as HSIF, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
  29. 29.If SUN is written as PWU, how is DRUM written in the same code? (a) MURD (b) KSPB (c) FTWO (d) OWTF
  30. 30.If RAIN is written as IZRM, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) ITSL (d) HSRK
  31. 31.If HAND is written as DNAH, how is STAR written in the same code? (a) TUBS (b) RATS (c) QZSR (d) SBUT
  32. 32.If KITE is written as FUJL, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
  33. 33.If MILK is written as LMJN, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) RXNS (d) TZPU
  34. 34.If BELL is written as EHOO, how is PARK written in the same code? (a) TEVO (b) MXOH (c) SDUN (d) RCTM
  35. 35.If RAIN is written as IZRM, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
  36. 36.If TREE is written as EERT, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
  37. 37.If HAND is written as SZMW, how is COLD written in the same code? (a) DPME (b) WKNV (c) XLOW (d) YMPX
  38. 38.If TOYS is written as SYOT, how is PARK written in the same code? (a) JQZO (b) QBSL (c) KRAP (d) LSBQ
  39. 39.If TREE is written as EERT, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
  40. 40.If BELL is written as LLEB, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) TAOB (d) UBPC

Answer key

  1. ERDW
  2. YZOO
  3. KSED
  4. NROP
  5. LTQC
  6. EERT
  7. FTWO
  8. SZB
  9. EOBI
  10. HSIF
  11. DLOG
  12. WLT
  13. FQI
  14. KLIM
  15. NVSE
  16. QJIT
  17. URHS
  18. OVT
  19. TLOW
  20. DQQM
  21. TAOB
  22. UBD
  23. EQNF
  24. ECV
  25. TCKP
  26. NUS
  27. YZOO
  28. NOOM
  29. OWTF
  30. HSRK
  31. RATS
  32. OJBS
  33. TZPU
  34. SDUN
  35. HFM
  36. NOIL
  37. XLOW
  38. KRAP
  39. NOOM
  40. TAOB

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