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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 500 · 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 SUN is written as MTR, how is MOON written in the same code? (a) OPPN (b) LNNM (c) NOOM (d) MNNL
  2. 2.If DRUM is written as WIFN, how is LAMP written in the same code? (a) OZNK (b) MBNQ (c) PAOL (d) NYMJ
  3. 3.If TOYS is written as GLBH, how is BOOK written in the same code? (a) YLLP (b) ZMMQ (c) CPPL (d) XKKO
  4. 4.If CAKE is written as EKAC, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SYOT (d) UPZT
  5. 5.If BOOK is written as ERRN, how is RAIN written in the same code? (a) TCKP (b) VEMR (c) OXFK (d) UDLQ
  6. 6.If WIND is written as UGLB, how is LION written in the same code? (a) NKQP (b) IFLK (c) KHNM (d) JGML
  7. 7.If GOLD is written as JROG, how is KITE written in the same code? (a) HFQB (b) MKVG (c) OMXI (d) NLWH
  8. 8.If KITE is written as LJUF, how is GOLD written in the same code? (a) FNKC (b) IQNF (c) EMPH (d) HPME
  9. 9.If BOAT is written as ZMYR, how is KITE written in the same code? (a) JHSD (b) IGRC (c) HFQB (d) MKVG
  10. 10.If FROG is written as GORF, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
  11. 11.If GOLD is written as FNQI, how is LAMP written in the same code? (a) NKYJ (b) ROCN (c) NCOR (d) PMAL
  12. 12.If COLD is written as CKNB, how is MILK written in the same code? (a) KLIM (b) LHKJ (c) JKHL (d) LMJN
  13. 13.If COLD is written as EQNF, how is BOOK written in the same code? (a) CPPL (b) ERRN (c) ZMMI (d) DQQM
  14. 14.If JUMP is written as QFNK, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NJML (d) NROP
  15. 15.If WIND is written as DNIW, how is FISH written in the same code? (a) GRHE (b) GJTI (c) ITJG (d) HSIF
  16. 16.If RAIN is written as NIAR, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) LTQC (d) MURD
  17. 17.If FROG is written as FNQE, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) ITLO (d) PMUJ
  18. 18.If TREE is written as DDQS, how is DESK written in the same code? (a) JRDC (b) CDRJ (c) LTFE (d) KSED
  19. 19.If MOON is written as NLLM, how is HAND written in the same code? (a) TANX (b) RYLV (c) SZMW (d) IBOE
  20. 20.If PARK is written as KZIP, how is TREE written in the same code? (a) HJWW (b) GIVV (c) USFF (d) FHUU
  21. 21.If PEN is written as PGR, how is CAKE written in the same code? (a) ECMG (b) CIYA (c) EKAC (d) GMCE
  22. 22.If RAIN is written as NIAR, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) UBPC (d) TAOB
  23. 23.If LAMP is written as PMAL, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
  24. 24.If LION is written as OPJM, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
  25. 25.If BOAT is written as YLZG, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
  26. 26.If BALL is written as DCNN, how is BOAT written in the same code? (a) ZMYR (b) DQCV (c) ERDW (d) CPBU
  27. 27.If BALL is written as EDOO, how is SUN written in the same code? (a) UWP (b) PRK (c) WYR (d) VXQ
  28. 28.If PEN is written as NEP, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
  29. 29.If KITE is written as JHSD, how is COLD written in the same code? (a) BNKC (b) DPME (c) COLD (d) AMJB
  30. 30.If CAKE is written as AYIC, how is TOYS written in the same code? (a) VQAU (b) RMWQ (c) SNXR (d) QLVP
  31. 31.If SUN is written as HFM, how is STAR written in the same code? (a) IHAJ (b) GFYH (c) HGZI (d) TUBS
  32. 32.If BELL is written as LLEB, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LMJN (d) NJML
  33. 33.If BALL is written as EDOO, how is BOOK written in the same code? (a) ERRN (b) YLLH (c) DQQM (d) FSSO
  34. 34.If DOG is written as HPE, how is SUN written in the same code? (a) NUS (b) OVT (c) TVO (d) MTR
  35. 35.If DOG is written as IQF, how is TREE written in the same code? (a) GGTV (b) VTGG (c) EERT (d) CCPR
  36. 36.If STAR is written as TUBS, how is FISH written in the same code? (a) ITJG (b) HKUJ (c) GJTI (d) EHRG
  37. 37.If LAMP is written as KZLO, how is STAR written in the same code? (a) STAR (b) TUBS (c) RSZQ (d) QRYP
  38. 38.If KITE is written as FUJL, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) QJIT (d) OHGR
  39. 39.If FISH is written as HSIF, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
  40. 40.If DOG is written as GOD, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GRHE (d) GJTI

Answer key

  1. MNNL
  2. OZNK
  3. YLLP
  4. SYOT
  5. UDLQ
  6. JGML
  7. NLWH
  8. HPME
  9. IGRC
  10. EERT
  11. ROCN
  12. JKHL
  13. DQQM
  14. NROP
  15. HSIF
  16. MURD
  17. OLTI
  18. JRDC
  19. SZMW
  20. GIVV
  21. GMCE
  22. TAOB
  23. DNAH
  24. MMBC
  25. HFM
  26. DQCV
  27. VXQ
  28. PMAL
  29. BNKC
  30. RMWQ
  31. HGZI
  32. KLIM
  33. ERRN
  34. OVT
  35. GGTV
  36. GJTI
  37. RSZQ
  38. QJIT
  39. TAOB
  40. HSIF

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