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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 546 · 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 KITE is written as GVKM, how is TOYS written in the same code? (a) SYOT (b) UAQV (c) VQAU (d) QWMR
  2. 2.If LION is written as MNHK, how is NEST written in the same code? (a) SRDM (b) TSEN (c) MDRS (d) UTFO
  3. 3.If FROG is written as UILT, how is MILK written in the same code? (a) OSPQ (b) NJML (c) MQNO (d) NROP
  4. 4.If CAKE is written as EKAC, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
  5. 5.If BELL is written as LLEB, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) UBPC (d) TAOB
  6. 6.If BOAT is written as YLZG, how is CAT written in the same code? (a) WYF (b) DBU (c) YAH (d) XZG
  7. 7.If DRUM is written as FTWO, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) DGQF (d) ILVK
  8. 8.If NEST is written as VUGP, how is FISH written in the same code? (a) HKUJ (b) JUKH (c) HSIF (d) FQGD
  9. 9.If SHIP is written as PIHS, how is BALL written in the same code? (a) KKZA (b) CBMM (c) LLAB (d) MMBC
  10. 10.If MOON is written as NPPO, how is BELL written in the same code? (a) MMFC (b) DGNN (c) ADKK (d) CFMM
  11. 11.If BELL is written as ZCJJ, how is STAR written in the same code? (a) PQXO (b) RSZQ (c) QRYP (d) UVCT
  12. 12.If COLD is written as FNQE, how is LION written in the same code? (a) NKQP (b) NOIL (c) LMGJ (d) PQKN
  13. 13.If RAIN is written as TCKP, how is STAR written in the same code? (a) UVCT (b) VWDU (c) TUBS (d) QRYP
  14. 14.If LION is written as NOIL, how is PEN written in the same code? (a) NEP (b) MDO (c) OFQ (d) QFO
  15. 15.If DOG is written as IQF, how is GOLD written in the same code? (a) BJME (b) IQNF (c) FNQI (d) DLOG
  16. 16.If LAMP is written as ROCN, how is NEST written in the same code? (a) RQCL (b) TSEN (c) VUGP (d) PGUV
  17. 17.If DESK is written as JRDC, how is FROG written in the same code? (a) FNQE (b) GORF (c) HPSG (d) EQNF
  18. 18.If FROG is written as DPME, how is LION written in the same code? (a) KHNM (b) IFLK (c) NKQP (d) JGML
  19. 19.If HAND is written as SZMW, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) CPPL (d) YLLP
  20. 20.If FROG is written as HPSG, how is LION written in the same code? (a) MNHK (b) NOIL (c) OPJM (d) MJPO
  21. 21.If LION is written as NOIL, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
  22. 22.If DOG is written as HPE, how is NEST written in the same code? (a) OFTU (b) TSEN (c) UTFO (d) SRDM
  23. 23.If BOOK is written as KOOB, how is DOG written in the same code? (a) GOD (b) EPH (c) FNC (d) HPE
  24. 24.If BELL is written as LLEB, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
  25. 25.If DESK is written as LTFE, how is DRUM written in the same code? (a) ESVN (b) MURD (c) LTQC (d) NVSE
  26. 26.If HAND is written as DNAH, how is NEST written in the same code? (a) TSEN (b) OFTU (c) SRDM (d) UTFO
  27. 27.If BOAT is written as YLZG, how is WIND written in the same code? (a) CQLV (b) XJOE (c) ESNX (d) DRMW
  28. 28.If DOG is written as GRJ, how is CAT written in the same code? (a) GEX (b) ZXQ (c) ECV (d) FDW
  29. 29.If BOAT is written as TAOB, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) QNBM (d) MBNQ
  30. 30.If STAR is written as HGZI, how is CAKE written in the same code? (a) YAQW (b) XZPV (c) DBLF (d) WYOU
  31. 31.If LAMP is written as PMAL, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) ESVN (d) MURD
  32. 32.If FISH is written as GRHE, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) JRDC (d) KSED
  33. 33.If HAND is written as FYLB, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) CFPE (d) DGQF
  34. 34.If HAND is written as KDQG, how is FISH written in the same code? (a) HKUJ (b) ILVK (c) JMWL (d) CFPE
  35. 35.If BOOK is written as YLLP, how is HAND written in the same code? (a) TANX (b) RYLV (c) IBOE (d) SZMW
  36. 36.If DRUM is written as WIFN, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) HSRK (d) TIJQ
  37. 37.If LION is written as ORLM, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
  38. 38.If DESK is written as BCQI, how is BOAT written in the same code? (a) ZMYR (b) YLXQ (c) DQCV (d) ANZS
  39. 39.If DESK is written as LTFE, how is COLD written in the same code? (a) EMPD (b) DPME (c) CKNB (d) DLOC
  40. 40.If DRUM is written as CQTL, how is TREE written in the same code? (a) USFF (b) RPCC (c) TREE (d) SQDD

Answer key

  1. UAQV
  2. SRDM
  3. NROP
  4. NIAR
  5. TAOB
  6. XZG
  7. HKUJ
  8. JUKH
  9. LLAB
  10. CFMM
  11. QRYP
  12. PQKN
  13. UVCT
  14. NEP
  15. FNQI
  16. VUGP
  17. FNQE
  18. JGML
  19. YLLP
  20. OPJM
  21. GOD
  22. UTFO
  23. GOD
  24. EERT
  25. NVSE
  26. TSEN
  27. DRMW
  28. FDW
  29. PMAL
  30. XZPV
  31. MURD
  32. JRDC
  33. DGQF
  34. ILVK
  35. SZMW
  36. HSRK
  37. XZPV
  38. ZMYR
  39. EMPD
  40. SQDD

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