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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 728 · 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 LTQC, how is NEST written in the same code? (a) SRDM (b) TSEN (c) MDRS (d) UTFO
  2. 2.If LION is written as MNHK, how is MILK written in the same code? (a) KLIM (b) LHKJ (c) JKHL (d) LMJN
  3. 3.If DOG is written as FQI, how is PEN written in the same code? (a) QFO (b) NCL (c) SHQ (d) RGP
  4. 4.If BOOK is written as MQQD, how is CAKE written in the same code? (a) EKAC (b) ECMG (c) CIYA (d) GMCE
  5. 5.If RAIN is written as IZRM, how is FROG written in the same code? (a) THKS (b) VJMU (c) UILT (d) GSPH
  6. 6.If BOAT is written as TAOB, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
  7. 7.If JUMP is written as MXPS, how is FROG written in the same code? (a) JVSK (b) COLD (c) HTQI (d) IURJ
  8. 8.If DOG is written as WLT, how is CAKE written in the same code? (a) DBLF (b) YAQW (c) XZPV (d) WYOU
  9. 9.If BALL is written as NNCD, how is LAMP written in the same code? (a) NCOR (b) PMAL (c) ROCN (d) NKYJ
  10. 10.If PARK is written as MTCR, how is JUMP written in the same code? (a) NKSH (b) LWOR (c) ROWL (d) PMUJ
  11. 11.If PEN is written as ODM, how is LAMP written in the same code? (a) LAMP (b) MBNQ (c) KZLO (d) JYKN
  12. 12.If LION is written as ORLM, how is COLD written in the same code? (a) WKNV (b) DPME (c) XLOW (d) YMPX
  13. 13.If FISH is written as JUKH, how is SUN written in the same code? (a) PWU (b) UWP (c) NUS (d) LSQ
  14. 14.If CAKE is written as XZPV, how is RAIN written in the same code? (a) JASN (b) IZRM (c) SBJO (d) HYQL
  15. 15.If TREE is written as RPCC, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) PEFM (d) QFGN
  16. 16.If STAR is written as TUBS, how is BOAT written in the same code? (a) DQCV (b) UBPC (c) ANZS (d) CPBU
  17. 17.If BOAT is written as YLZG, how is STAR written in the same code? (a) HGZI (b) GFYH (c) IHAJ (d) TUBS
  18. 18.If DESK is written as KSED, how is WIND written in the same code? (a) CMHV (b) DNIW (c) XJOE (d) EOJX
  19. 19.If DRUM is written as WIFN, how is TREE written in the same code? (a) HJWW (b) USFF (c) GIVV (d) FHUU
  20. 20.If SHIP is written as QFGN, how is SUN written in the same code? (a) RTM (b) PRK (c) QSL (d) UWP
  21. 21.If RAIN is written as IZRM, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
  22. 22.If FISH is written as GJTI, how is WIND written in the same code? (a) VHMC (b) EOJX (c) XJOE (d) YKPF
  23. 23.If NEST is written as UTFO, how is HAND written in the same code? (a) IBOE (b) CMZG (c) DNAH (d) EOBI
  24. 24.If STAR is written as HGZI, how is FROG written in the same code? (a) THKS (b) UILT (c) GSPH (d) VJMU
  25. 25.If FROG is written as GSPH, how is LAMP written in the same code? (a) MBNQ (b) NCOR (c) KZLO (d) QNBM
  26. 26.If NEST is written as MVHG, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
  27. 27.If BOOK is written as LPPC, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) EKAC (d) DJZB
  28. 28.If BOOK is written as KOOB, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) MBNQ (d) PMAL
  29. 29.If PEN is written as QFO, how is CAKE written in the same code? (a) FLBD (b) BZJD (c) DBLF (d) ECMG
  30. 30.If DOG is written as GOD, how is HAND written in the same code? (a) EOBI (b) CMZG (c) IBOE (d) DNAH
  31. 31.If FROG is written as IQTH, how is BOAT written in the same code? (a) DQCV (b) VCQD (c) TAOB (d) RYMZ
  32. 32.If FISH is written as GRHE, how is CAT written in the same code? (a) BZS (b) UBD (c) TAC (d) SZB
  33. 33.If COLD is written as XLOW, how is STAR written in the same code? (a) TUBS (b) GFYH (c) HGZI (d) IHAJ
  34. 34.If HAND is written as EOBI, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
  35. 35.If DOG is written as FQI, how is STAR written in the same code? (a) VWDU (b) TUBS (c) QRYP (d) UVCT
  36. 36.If DOG is written as FNC, how is CAKE written in the same code? (a) FLBD (b) BZJD (c) EKAC (d) DJZB
  37. 37.If PEN is written as MDO, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) KSED (d) JRDC
  38. 38.If GOLD is written as DLOG, how is FROG written in the same code? (a) FNQE (b) GSPH (c) GORF (d) HPSG
  39. 39.If PEN is written as OFQ, how is DESK written in the same code? (a) JRDC (b) EFTL (c) KSED (d) LTFE
  40. 40.If KITE is written as IGRC, how is BOAT written in the same code? (a) YLXQ (b) ZMYR (c) DQCV (d) ANZS

Answer key

  1. SRDM
  2. JKHL
  3. RGP
  4. GMCE
  5. UILT
  6. EERT
  7. IURJ
  8. XZPV
  9. ROCN
  10. ROWL
  11. KZLO
  12. XLOW
  13. PWU
  14. IZRM
  15. QFGN
  16. CPBU
  17. HGZI
  18. DNIW
  19. GIVV
  20. QSL
  21. XZG
  22. XJOE
  23. EOBI
  24. UILT
  25. MBNQ
  26. WLT
  27. FLBD
  28. PMAL
  29. DBLF
  30. DNAH
  31. VCQD
  32. SZB
  33. HGZI
  34. EMPD
  35. UVCT
  36. DJZB
  37. JRDC
  38. GORF
  39. LTFE
  40. ZMYR

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