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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 25 · 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 BELL is written as LLEB, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
  2. 2.If MILK is written as PLON, how is MOON written in the same code? (a) JLLK (b) PRRQ (c) QSSR (d) OQQP
  3. 3.If PEN is written as KVM, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) XJGO (d) WIFN
  4. 4.If MOON is written as OPPN, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) HPME
  5. 5.If PARK is written as KZIP, how is STAR written in the same code? (a) TUBS (b) GFYH (c) HGZI (d) IHAJ
  6. 6.If SUN is written as HFM, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) JASN (d) SBJO
  7. 7.If FISH is written as DGQF, how is BOOK written in the same code? (a) DQQM (b) ANNJ (c) YLLH (d) ZMMI
  8. 8.If FROG is written as FNQE, how is DESK written in the same code? (a) LTFE (b) JRDC (c) KSED (d) CDRJ
  9. 9.If STAR is written as HGZI, how is HAND written in the same code? (a) SZMW (b) IBOE (c) TANX (d) RYLV
  10. 10.If SHIP is written as HSRK, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) NYMJ (d) OZNK
  11. 11.If BELL is written as LLEB, how is COLD written in the same code? (a) CKNB (b) DPME (c) DLOC (d) EMPD
  12. 12.If LAMP is written as OZNK, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
  13. 13.If BALL is written as LLAB, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) TIJQ (d) QJIT
  14. 14.If TREE is written as GIVV, how is LION written in the same code? (a) ORLM (b) MJPO (c) PSMN (d) NQKL
  15. 15.If STAR is written as VWDU, how is BOAT written in the same code? (a) YLXQ (b) FSEX (c) DQCV (d) ERDW
  16. 16.If MOON is written as NLLM, how is DESK written in the same code? (a) EFTL (b) WVHP (c) XWIQ (d) VUGO
  17. 17.If DESK is written as KSED, how is BALL written in the same code? (a) KKZA (b) CBMM (c) LLAB (d) MMBC
  18. 18.If PEN is written as KVM, how is CAT written in the same code? (a) WYF (b) DBU (c) XZG (d) YAH
  19. 19.If FROG is written as GSPH, how is MILK written in the same code? (a) OKNM (b) LMJN (c) LHKJ (d) NJML
  20. 20.If BOOK is written as KOOB, how is CAT written in the same code? (a) SZB (b) DBU (c) UBD (d) TAC
  21. 21.If CAT is written as BZS, how is LAMP written in the same code? (a) MBNQ (b) LAMP (c) JYKN (d) KZLO
  22. 22.If PEN is written as KVM, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) JASN (d) HYQL
  23. 23.If KITE is written as ETIK, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
  24. 24.If BOOK is written as YLLP, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) ITSL (d) GRQJ
  25. 25.If SUN is written as TVO, how is FROG written in the same code? (a) EQNF (b) HTQI (c) HPSG (d) GSPH
  26. 26.If PARK is written as KZIP, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) XKKO (d) YLLP
  27. 27.If BALL is written as YZOO, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) ESVN (d) VHEM
  28. 28.If STAR is written as SBUT, how is DRUM written in the same code? (a) MURD (b) NVSE (c) LTQC (d) ESVN
  29. 29.If COLD is written as DLOC, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) QNBM (d) OLZK
  30. 30.If CAT is written as XZG, how is FISH written in the same code? (a) TQGR (b) GJTI (c) URHS (d) VSIT
  31. 31.If DRUM is written as MURD, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) NIAR (d) OJBS
  32. 32.If JUMP is written as QFNK, how is WIND written in the same code? (a) ESNX (b) XJOE (c) CQLV (d) DRMW
  33. 33.If SUN is written as HFM, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
  34. 34.If LION is written as OPJM, how is CAT written in the same code? (a) TAC (b) SZB (c) DBU (d) UBD
  35. 35.If TOYS is written as GLBH, how is DESK written in the same code? (a) VUGO (b) WVHP (c) XWIQ (d) EFTL
  36. 36.If GOLD is written as DLOG, how is MILK written in the same code? (a) LMJN (b) KLIM (c) JKHL (d) NJML
  37. 37.If JUMP is written as OLTI, how is SHIP written in the same code? (a) OHGR (b) RGHO (c) PIHS (d) QJIT
  38. 38.If TOYS is written as SYOT, how is CAT written in the same code? (a) SZB (b) DBU (c) TAC (d) UBD
  39. 39.If SUN is written as PWU, how is BOOK written in the same code? (a) MQQD (b) IMMZ (c) DQQM (d) KOOB
  40. 40.If CAT is written as VCE, how is FROG written in the same code? (a) HTQI (b) GORF (c) EMPD (d) IQTH

Answer key

  1. NIAR
  2. PRRQ
  3. WIFN
  4. EMPH
  5. HGZI
  6. IZRM
  7. ZMMI
  8. JRDC
  9. SZMW
  10. OZNK
  11. DLOC
  12. YVOO
  13. PIHS
  14. ORLM
  15. ERDW
  16. WVHP
  17. LLAB
  18. XZG
  19. NJML
  20. TAC
  21. KZLO
  22. IZRM
  23. TAC
  24. HSRK
  25. GSPH
  26. YLLP
  27. WIFN
  28. NVSE
  29. PMAL
  30. URHS
  31. NIAR
  32. DRMW
  33. OZNK
  34. UBD
  35. WVHP
  36. KLIM
  37. OHGR
  38. TAC
  39. MQQD
  40. IQTH

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