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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 990 · 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 RAIN is written as IZRM, how is DRUM written in the same code? (a) XJGO (b) ESVN (c) VHEM (d) WIFN
  2. 2.If DRUM is written as MURD, how is CAT written in the same code? (a) TAC (b) SZB (c) DBU (d) UBD
  3. 3.If DRUM is written as NVSE, how is LION written in the same code? (a) MJPO (b) OPJM (c) MNHK (d) NOIL
  4. 4.If DOG is written as WLT, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) CPPL (d) ZMMQ
  5. 5.If BALL is written as LLAB, how is FISH written in the same code? (a) GRHE (b) GJTI (c) ITJG (d) HSIF
  6. 6.If BELL is written as LLEB, how is NEST written in the same code? (a) UTFO (b) SRDM (c) TSEN (d) OFTU
  7. 7.If FROG is written as FNQE, how is NEST written in the same code? (a) MDRS (b) TSEN (c) UTFO (d) SRDM
  8. 8.If TREE is written as EERT, how is HAND written in the same code? (a) DNAH (b) IBOE (c) CMZG (d) EOBI
  9. 9.If FROG is written as HPSG, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
  10. 10.If MILK is written as NJML, how is BOOK written in the same code? (a) CPPL (b) DQQM (c) ANNJ (d) LPPC
  11. 11.If LION is written as ORLM, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) TLOW (d) HPME
  12. 12.If TREE is written as GGTV, how is GOLD written in the same code? (a) FNQI (b) BJME (c) IQNF (d) DLOG
  13. 13.If STAR is written as RATS, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) QBSL (d) KRAP
  14. 14.If JUMP is written as PMUJ, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SYOT (d) RXNS
  15. 15.If FROG is written as HTQI, how is JUMP written in the same code? (a) MXPS (b) KVNQ (c) HSKN (d) LWOR
  16. 16.If BELL is written as ADKK, how is HAND written in the same code? (a) GZMC (b) IBOE (c) FYLB (d) HAND
  17. 17.If DOG is written as FNC, how is TOYS written in the same code? (a) SNXR (b) TZPU (c) SYOT (d) RXNS
  18. 18.If MILK is written as KLIM, how is BELL written in the same code? (a) CFMM (b) KKDA (c) LLEB (d) MMFC
  19. 19.If HAND is written as IBOE, how is PEN written in the same code? (a) ODM (b) OFQ (c) QFO (d) RGP
  20. 20.If PARK is written as NYPI, how is MILK written in the same code? (a) LHKJ (b) JFIH (c) KGJI (d) OKNM
  21. 21.If FISH is written as HSIF, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
  22. 22.If RAIN is written as PKCT, how is NEST written in the same code? (a) RQCL (b) PGUV (c) VUGP (d) TSEN
  23. 23.If TREE is written as GIVV, how is NEST written in the same code? (a) MVHG (b) NWIH (c) LUGF (d) OFTU
  24. 24.If TREE is written as DDQS, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) OJBS (d) QZHM
  25. 25.If HAND is written as SZMW, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) GRQJ (d) ITSL
  26. 26.If KITE is written as PRGV, how is PEN written in the same code? (a) JUL (b) LWN (c) KVM (d) QFO
  27. 27.If DRUM is written as MURD, how is WIND written in the same code? (a) CMHV (b) XJOE (c) EOJX (d) DNIW
  28. 28.If KITE is written as PRGV, how is SUN written in the same code? (a) GEL (b) IGN (c) TVO (d) HFM
  29. 29.If TOYS is written as SYOT, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) TIJQ (d) OHGR
  30. 30.If CAKE is written as EKAC, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
  31. 31.If BELL is written as NNGD, how is PARK written in the same code? (a) MTCR (b) KRAP (c) IPYN (d) RCTM
  32. 32.If DOG is written as BME, how is MILK written in the same code? (a) LHKJ (b) OKNM (c) KGJI (d) JFIH
  33. 33.If COLD is written as EMPD, how is PEN written in the same code? (a) OFQ (b) MDO (c) QFO (d) NEP
  34. 34.If CAKE is written as FDNH, how is DRUM written in the same code? (a) HVYQ (b) FTWO (c) AORJ (d) GUXP
  35. 35.If BOOK is written as CPPL, how is TREE written in the same code? (a) USFF (b) FFSU (c) VTGG (d) SQDD
  36. 36.If TREE is written as GIVV, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
  37. 37.If BALL is written as MMBC, how is HAND written in the same code? (a) EOBI (b) IBOE (c) CMZG (d) DNAH
  38. 38.If FISH is written as ILVK, how is PARK written in the same code? (a) TEVO (b) RCTM (c) MXOH (d) SDUN
  39. 39.If BOAT is written as VCQD, how is MILK written in the same code? (a) IJGK (b) MNKO (c) OKNM (d) KLIM
  40. 40.If CAT is written as AYR, how is BOOK written in the same code? (a) YLLH (b) ANNJ (c) ZMMI (d) DQQM

Answer key

  1. WIFN
  2. TAC
  3. OPJM
  4. YLLP
  5. HSIF
  6. TSEN
  7. SRDM
  8. DNAH
  9. UTFO
  10. CPPL
  11. TLOW
  12. FNQI
  13. KRAP
  14. SYOT
  15. LWOR
  16. GZMC
  17. RXNS
  18. LLEB
  19. QFO
  20. KGJI
  21. EERT
  22. VUGP
  23. MVHG
  24. MHZQ
  25. HSRK
  26. KVM
  27. DNIW
  28. HFM
  29. PIHS
  30. PIHS
  31. MTCR
  32. KGJI
  33. OFQ
  34. GUXP
  35. USFF
  36. XZG
  37. EOBI
  38. SDUN
  39. MNKO
  40. ZMMI

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