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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 612 · 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 MURD, how is CAT written in the same code? (a) SZB (b) DBU (c) UBD (d) TAC
  2. 2.If CAKE is written as XZPV, how is MILK written in the same code? (a) NROP (b) OSPQ (c) MQNO (d) NJML
  3. 3.If LAMP is written as OZNK, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
  4. 4.If DESK is written as WVHP, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) ZMMQ (d) XKKO
  5. 5.If CAT is written as XZG, how is JUMP written in the same code? (a) PEMJ (b) RGOL (c) QFNK (d) KVNQ
  6. 6.If STAR is written as HGZI, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) KVNQ (d) PEMJ
  7. 7.If LION is written as MNHK, how is TREE written in the same code? (a) EERT (b) SQDD (c) FFSU (d) DDQS
  8. 8.If KITE is written as PRGV, how is NEST written in the same code? (a) MVHG (b) OFTU (c) LUGF (d) NWIH
  9. 9.If MILK is written as NROP, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
  10. 10.If WIND is written as VHMC, how is KITE written in the same code? (a) KITE (b) IGRC (c) JHSD (d) LJUF
  11. 11.If DRUM is written as MURD, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
  12. 12.If HAND is written as DNAH, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
  13. 13.If COLD is written as XLOW, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
  14. 14.If DRUM is written as OWTF, how is LION written in the same code? (a) NOIL (b) NKQP (c) PQKN (d) LMGJ
  15. 15.If SHIP is written as QJIT, how is DOG written in the same code? (a) GOD (b) HPE (c) EPH (d) FNC
  16. 16.If PEN is written as ODM, how is LION written in the same code? (a) KHNM (b) JGML (c) MJPO (d) LION
  17. 17.If STAR is written as HGZI, how is GOLD written in the same code? (a) TLOW (b) HPME (c) UMPX (d) SKNV
  18. 18.If FISH is written as URHS, how is RAIN written in the same code? (a) HYQL (b) JASN (c) SBJO (d) IZRM
  19. 19.If SHIP is written as PIHS, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
  20. 20.If HAND is written as DNAH, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) CPPL
  21. 21.If MILK is written as PLON, how is BELL written in the same code? (a) DGNN (b) FIPP (c) EHOO (d) YBII
  22. 22.If BOOK is written as KOOB, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
  23. 23.If PEN is written as MDO, how is TREE written in the same code? (a) FFSU (b) SQDD (c) EERT (d) DDQS
  24. 24.If TREE is written as USFF, how is CAT written in the same code? (a) ECV (b) UBD (c) DBU (d) BZS
  25. 25.If DRUM is written as WIFN, how is HAND written in the same code? (a) IBOE (b) SZMW (c) RYLV (d) TANX
  26. 26.If COLD is written as AMJB, how is CAT written in the same code? (a) BZS (b) ZXQ (c) AYR (d) ECV
  27. 27.If BOOK is written as YLLP, how is KITE written in the same code? (a) OQFU (b) PRGV (c) QSHW (d) LJUF
  28. 28.If LION is written as PQKN, how is MILK written in the same code? (a) IJGK (b) MNKO (c) KLIM (d) OKNM
  29. 29.If FROG is written as UILT, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
  30. 30.If CAT is written as FDW, how is SUN written in the same code? (a) WYR (b) PRK (c) UWP (d) VXQ
  31. 31.If CAT is written as TAC, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) TAOB (d) SZNA
  32. 32.If DESK is written as JRDC, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SNXR (d) SYOT
  33. 33.If SHIP is written as RKJU, how is NEST written in the same code? (a) PGUV (b) RQCL (c) VUGP (d) TSEN
  34. 34.If PEN is written as KVM, how is BALL written in the same code? (a) YZOO (b) CBMM (c) ZAPP (d) XYNN
  35. 35.If BOAT is written as TAOB, how is BELL written in the same code? (a) CFMM (b) KKDA (c) LLEB (d) MMFC
  36. 36.If TREE is written as EERT, how is NEST written in the same code? (a) SRDM (b) UTFO (c) TSEN (d) OFTU
  37. 37.If FROG is written as IQTH, how is WIND written in the same code? (a) YKPF (b) BLGU (c) FPKY (d) DNIW
  38. 38.If TREE is written as FFSU, how is COLD written in the same code? (a) DLOC (b) CKNB (c) EMPD (d) DPME
  39. 39.If DOG is written as GOD, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) RXNS (d) TZPU
  40. 40.If TOYS is written as RMWQ, how is RAIN written in the same code? (a) PYGL (b) QZHM (c) OXFK (d) TCKP

Answer key

  1. TAC
  2. NROP
  3. XLOW
  4. YLLP
  5. QFNK
  6. QFNK
  7. DDQS
  8. MVHG
  9. HFM
  10. JHSD
  11. KSED
  12. ETIK
  13. XZG
  14. PQKN
  15. HPE
  16. KHNM
  17. TLOW
  18. IZRM
  19. NOOM
  20. KOOB
  21. EHOO
  22. NOOM
  23. DDQS
  24. DBU
  25. SZMW
  26. AYR
  27. PRGV
  28. MNKO
  29. XZG
  30. VXQ
  31. TAOB
  32. RXNS
  33. VUGP
  34. YZOO
  35. LLEB
  36. TSEN
  37. FPKY
  38. EMPD
  39. SYOT
  40. PYGL

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