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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 366 · 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 JHSD, how is PEN written in the same code? (a) ODM (b) QFO (c) PEN (d) NCL
  2. 2.If FISH is written as GJTI, how is BOOK written in the same code? (a) LPPC (b) DQQM (c) ANNJ (d) CPPL
  3. 3.If BALL is written as ZYJJ, how is FROG written in the same code? (a) EQNF (b) HTQI (c) DPME (d) COLD
  4. 4.If CAT is written as UBD, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
  5. 5.If PEN is written as MDO, how is STAR written in the same code? (a) RATS (b) RSZQ (c) QZSR (d) SBUT
  6. 6.If LAMP is written as OZNK, how is NEST written in the same code? (a) OFTU (b) MVHG (c) LUGF (d) NWIH
  7. 7.If STAR is written as HGZI, how is MOON written in the same code? (a) NPPO (b) NLLM (c) OMMN (d) MKKL
  8. 8.If WIND is written as DNIW, how is STAR written in the same code? (a) TUBS (b) SBUT (c) QZSR (d) RATS
  9. 9.If WIND is written as DNIW, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
  10. 10.If WIND is written as DNIW, how is SUN written in the same code? (a) TVO (b) NUS (c) OVT (d) MTR
  11. 11.If PARK is written as JQZO, how is BELL written in the same code? (a) ADKK (b) LLEB (c) KKDA (d) MMFC
  12. 12.If RAIN is written as UDLQ, how is STAR written in the same code? (a) WXEV (b) VWDU (c) PQXO (d) UVCT
  13. 13.If CAT is written as TAC, how is BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
  14. 14.If TREE is written as DDQS, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) ANZS (d) TAOB
  15. 15.If MILK is written as KLIM, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
  16. 16.If DOG is written as CNF, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) BZJD (d) CAKE
  17. 17.If DRUM is written as MURD, how is STAR written in the same code? (a) SBUT (b) QZSR (c) RATS (d) TUBS
  18. 18.If LION is written as MJPO, how is CAT written in the same code? (a) BZS (b) UBD (c) ECV (d) DBU
  19. 19.If TREE is written as GGTV, how is BOOK written in the same code? (a) KOOB (b) IMMZ (c) MQQD (d) DQQM
  20. 20.If BELL is written as YVOO, how is HAND written in the same code? (a) SZMW (b) RYLV (c) IBOE (d) TANX
  21. 21.If RAIN is written as OJBS, how is MILK written in the same code? (a) NJML (b) KLIM (c) LMJN (d) JKHL
  22. 22.If WIND is written as XJOE, how is TREE written in the same code? (a) VTGG (b) USFF (c) FFSU (d) SQDD
  23. 23.If SHIP is written as HSRK, how is BOAT written in the same code? (a) ZMAH (b) YLZG (c) CPBU (d) XKYF
  24. 24.If LAMP is written as PMAL, how is MOON written in the same code? (a) NPPO (b) MNNL (c) NOOM (d) OPPN
  25. 25.If FISH is written as HSIF, how is NEST written in the same code? (a) OFTU (b) SRDM (c) UTFO (d) TSEN
  26. 26.If STAR is written as TUBS, how is BELL written in the same code? (a) DGNN (b) ADKK (c) CFMM (d) MMFC
  27. 27.If LION is written as ORLM, how is WIND written in the same code? (a) XJOE (b) DRMW (c) ESNX (d) CQLV
  28. 28.If DOG is written as WLT, how is PARK written in the same code? (a) JYHO (b) KZIP (c) LAJQ (d) QBSL
  29. 29.If PEN is written as KVM, how is CAT written in the same code? (a) DBU (b) XZG (c) YAH (d) WYF
  30. 30.If FISH is written as GRHE, how is KITE written in the same code? (a) JHSD (b) DSHJ (c) ETIK (d) FUJL
  31. 31.If BALL is written as EDOO, how is FROG written in the same code? (a) IURJ (b) JVSK (c) COLD (d) HTQI
  32. 32.If LAMP is written as OZNK, how is DOG written in the same code? (a) WLT (b) VKS (c) XMU (d) EPH
  33. 33.If DOG is written as FQI, how is NEST written in the same code? (a) QHVW (b) LCQR (c) PGUV (d) OFTU
  34. 34.If DOG is written as GOD, how is KITE written in the same code? (a) LJUF (b) FUJL (c) ETIK (d) DSHJ
  35. 35.If BOAT is written as DQCV, how is RAIN written in the same code? (a) SBJO (b) UDLQ (c) PYGL (d) TCKP
  36. 36.If PARK is written as JQZO, how is DOG written in the same code? (a) FNC (b) CNF (c) HPE (d) GOD
  37. 37.If STAR is written as RATS, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
  38. 38.If SHIP is written as QJIT, how is WIND written in the same code? (a) XJOE (b) DNIW (c) CMHV (d) EOJX
  39. 39.If BOOK is written as YLLP, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
  40. 40.If DESK is written as JRDC, how is NEST written in the same code? (a) UTFO (b) SRDM (c) MDRS (d) TSEN

Answer key

  1. ODM
  2. CPPL
  3. DPME
  4. EMPH
  5. QZSR
  6. MVHG
  7. NLLM
  8. RATS
  9. KOOB
  10. NUS
  11. KKDA
  12. VWDU
  13. LLAB
  14. SZNA
  15. NOOM
  16. BZJD
  17. RATS
  18. DBU
  19. MQQD
  20. SZMW
  21. LMJN
  22. USFF
  23. YLZG
  24. NOOM
  25. TSEN
  26. CFMM
  27. DRMW
  28. KZIP
  29. XZG
  30. DSHJ
  31. IURJ
  32. WLT
  33. PGUV
  34. ETIK
  35. TCKP
  36. FNC
  37. TAC
  38. EOJX
  39. URHS
  40. SRDM

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