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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 859 · 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 LION is written as MNHK, how is TREE written in the same code? (a) EERT (b) SQDD (c) DDQS (d) FFSU
  2. 2.If CAT is written as TAC, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
  3. 3.If CAT is written as SZB, how is RAIN written in the same code? (a) OJBS (b) QZHM (c) NIAR (d) MHZQ
  4. 4.If DESK is written as KSED, how is NEST written in the same code? (a) OFTU (b) TSEN (c) SRDM (d) UTFO
  5. 5.If FROG is written as GORF, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
  6. 6.If BELL is written as LLEB, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
  7. 7.If CAKE is written as XZPV, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) YLLP (d) ZMMQ
  8. 8.If WIND is written as DRMW, how is COLD written in the same code? (a) XLOW (b) DPME (c) WKNV (d) YMPX
  9. 9.If FISH is written as GRHE, how is CAT written in the same code? (a) UBD (b) TAC (c) BZS (d) SZB
  10. 10.If CAT is written as ECV, how is GOLD written in the same code? (a) HPME (b) IQNF (c) EMJB (d) JROG
  11. 11.If CAT is written as DBU, how is HAND written in the same code? (a) JCPF (b) EOBI (c) GZMC (d) IBOE
  12. 12.If SUN is written as UWP, how is DOG written in the same code? (a) BME (b) EPH (c) FQI (d) GRJ
  13. 13.If DOG is written as WLT, how is BALL written in the same code? (a) XYNN (b) CBMM (c) YZOO (d) ZAPP
  14. 14.If BALL is written as CBMM, how is HAND written in the same code? (a) GZMC (b) JCPF (c) IBOE (d) EOBI
  15. 15.If COLD is written as DLOC, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) KOOB (d) CPPL
  16. 16.If MOON is written as PQQO, how is BELL written in the same code? (a) DGNN (b) NNGD (c) LLEB (d) JJCZ
  17. 17.If DOG is written as CNF, how is KITE written in the same code? (a) IGRC (b) KITE (c) LJUF (d) JHSD
  18. 18.If SHIP is written as PIHS, how is STAR written in the same code? (a) SBUT (b) TUBS (c) QZSR (d) RATS
  19. 19.If MOON is written as NLLM, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) YAQW (d) XZPV
  20. 20.If LAMP is written as ROCN, how is DESK written in the same code? (a) KSED (b) IQCB (c) MUGF (d) FGUM
  21. 21.If LION is written as ORLM, how is KITE written in the same code? (a) QSHW (b) PRGV (c) OQFU (d) LJUF
  22. 22.If LION is written as PQKN, how is MILK written in the same code? (a) IJGK (b) KLIM (c) OKNM (d) MNKO
  23. 23.If DRUM is written as MURD, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) PMAL (d) QNBM
  24. 24.If LAMP is written as OZNK, how is TREE written in the same code? (a) USFF (b) FHUU (c) GIVV (d) HJWW
  25. 25.If DRUM is written as WIFN, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
  26. 26.If NEST is written as TSEN, how is HAND written in the same code? (a) IBOE (b) CMZG (c) DNAH (d) EOBI
  27. 27.If RAIN is written as NIAR, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) UPZT (d) SYOT
  28. 28.If HAND is written as SZMW, how is RAIN written in the same code? (a) HYQL (b) JASN (c) IZRM (d) SBJO
  29. 29.If TREE is written as USFF, how is NEST written in the same code? (a) MDRS (b) OFTU (c) PGUV (d) UTFO
  30. 30.If MOON is written as NOOM, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) PIHS (d) TIJQ
  31. 31.If BOAT is written as VCQD, how is TOYS written in the same code? (a) VQAU (b) UAQV (c) QWMR (d) SYOT
  32. 32.If FISH is written as HSIF, how is WIND written in the same code? (a) EOJX (b) XJOE (c) DNIW (d) CMHV
  33. 33.If BOOK is written as KOOB, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
  34. 34.If TOYS is written as GLBH, how is KITE written in the same code? (a) PRGV (b) OQFU (c) QSHW (d) LJUF
  35. 35.If COLD is written as XLOW, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
  36. 36.If COLD is written as DLOC, how is MOON written in the same code? (a) OPPN (b) NOOM (c) MNNL (d) NPPO
  37. 37.If CAKE is written as XZPV, how is BOAT written in the same code? (a) XKYF (b) CPBU (c) ZMAH (d) YLZG
  38. 38.If GOLD is written as JROG, how is LION written in the same code? (a) OLRQ (b) PMSR (c) IFLK (d) NKQP
  39. 39.If FISH is written as URHS, how is RAIN written in the same code? (a) HYQL (b) JASN (c) IZRM (d) SBJO
  40. 40.If PEN is written as KVM, how is LION written in the same code? (a) NQKL (b) PSMN (c) ORLM (d) MJPO

Answer key

  1. DDQS
  2. DLOG
  3. MHZQ
  4. TSEN
  5. KOOB
  6. DLOG
  7. YLLP
  8. XLOW
  9. SZB
  10. IQNF
  11. IBOE
  12. FQI
  13. YZOO
  14. IBOE
  15. KOOB
  16. NNGD
  17. JHSD
  18. RATS
  19. XZPV
  20. MUGF
  21. PRGV
  22. MNKO
  23. PMAL
  24. GIVV
  25. MVHG
  26. DNAH
  27. SYOT
  28. IZRM
  29. OFTU
  30. PIHS
  31. UAQV
  32. DNIW
  33. NEP
  34. PRGV
  35. MVHG
  36. NOOM
  37. YLZG
  38. OLRQ
  39. IZRM
  40. ORLM

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