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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 954 · 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 TREE is written as DDQS, how is BELL written in the same code? (a) KKDA (b) ADKK (c) LLEB (d) MMFC
  2. 2.If CAT is written as UBD, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) TAOB (d) UBPC
  3. 3.If SUN is written as MTR, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) QZHM (d) OJBS
  4. 4.If RAIN is written as OJBS, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
  5. 5.If MILK is written as PLON, how is KITE written in the same code? (a) OMXI (b) HFQB (c) NLWH (d) MKVG
  6. 6.If JUMP is written as PMUJ, how is CAT written in the same code? (a) UBD (b) SZB (c) DBU (d) TAC
  7. 7.If TOYS is written as GLBH, how is PEN written in the same code? (a) JUL (b) QFO (c) LWN (d) KVM
  8. 8.If DOG is written as WLT, how is LION written in the same code? (a) PSMN (b) MJPO (c) ORLM (d) NQKL
  9. 9.If WIND is written as DNIW, how is LION written in the same code? (a) MJPO (b) OPJM (c) MNHK (d) NOIL
  10. 10.If BOOK is written as KOOB, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) MBNQ (d) OLZK
  11. 11.If SUN is written as HFM, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) ZMMQ (d) YLLP
  12. 12.If STAR is written as VWDU, how is PARK written in the same code? (a) SDUN (b) MXOH (c) TEVO (d) RCTM
  13. 13.If TREE is written as GIVV, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) UMPX (d) HPME
  14. 14.If JUMP is written as KVNQ, how is MOON written in the same code? (a) LNNM (b) OPPN (c) NPPO (d) OQQP
  15. 15.If CAT is written as UBD, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) QBSL (d) KRAP
  16. 16.If MILK is written as JKHL, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) ANZS (d) SZNA
  17. 17.If BELL is written as LLEB, how is KITE written in the same code? (a) ETIK (b) FUJL (c) DSHJ (d) LJUF
  18. 18.If STAR is written as QRYP, how is FROG written in the same code? (a) HTQI (b) COLD (c) EQNF (d) DPME
  19. 19.If KITE is written as JHSD, how is DOG written in the same code? (a) BME (b) EPH (c) CNF (d) DOG
  20. 20.If DOG is written as CNF, how is BALL written in the same code? (a) ZYJJ (b) BALL (c) AZKK (d) CBMM
  21. 21.If PEN is written as KVM, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) XKYF (d) YLZG
  22. 22.If MOON is written as NOOM, how is DESK written in the same code? (a) EFTL (b) JRDC (c) LTFE (d) KSED
  23. 23.If NEST is written as TSEN, how is PEN written in the same code? (a) QFO (b) MDO (c) NEP (d) OFQ
  24. 24.If GOLD is written as FNQI, how is KITE written in the same code? (a) GVKM (b) MKVG (c) CRGI (d) ETIK
  25. 25.If WIND is written as FPKY, how is PARK written in the same code? (a) MTCR (b) KRAP (c) RCTM (d) IPYN
  26. 26.If SHIP is written as PIHS, how is TREE written in the same code? (a) DDQS (b) EERT (c) FFSU (d) USFF
  27. 27.If PEN is written as PGR, how is MILK written in the same code? (a) IJGK (b) KLIM (c) OKNM (d) MNKO
  28. 28.If BOOK is written as KOOB, how is FROG written in the same code? (a) FNQE (b) GORF (c) GSPH (d) HPSG
  29. 29.If FROG is written as GSPH, how is MILK written in the same code? (a) LHKJ (b) OKNM (c) NJML (d) LMJN
  30. 30.If HAND is written as SZMW, how is CAT written in the same code? (a) YAH (b) DBU (c) XZG (d) WYF
  31. 31.If DESK is written as MUGF, how is DOG written in the same code? (a) FQI (b) GOD (c) EMB (d) IQF
  32. 32.If JUMP is written as PMUJ, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
  33. 33.If PEN is written as PGR, how is WIND written in the same code? (a) DNIW (b) FPKY (c) BLGU (d) YKPF
  34. 34.If CAT is written as BZS, how is DRUM written in the same code? (a) BPSK (b) CQTL (c) ESVN (d) DRUM
  35. 35.If CAKE is written as EKAC, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) QJIT (d) PIHS
  36. 36.If BALL is written as YZOO, how is TREE written in the same code? (a) HJWW (b) USFF (c) FHUU (d) GIVV
  37. 37.If HAND is written as SZMW, how is MOON written in the same code? (a) NPPO (b) NLLM (c) OMMN (d) MKKL
  38. 38.If BOAT is written as TAOB, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
  39. 39.If STAR is written as UVCT, how is MILK written in the same code? (a) PLON (b) OKNM (c) NJML (d) KGJI
  40. 40.If RAIN is written as TCKP, how is GOLD written in the same code? (a) EMJB (b) JROG (c) HPME (d) IQNF

Answer key

  1. KKDA
  2. UBPC
  3. MHZQ
  4. SBUT
  5. NLWH
  6. TAC
  7. KVM
  8. ORLM
  9. NOIL
  10. PMAL
  11. YLLP
  12. SDUN
  13. TLOW
  14. NPPO
  15. LSBQ
  16. SZNA
  17. ETIK
  18. DPME
  19. CNF
  20. AZKK
  21. YLZG
  22. KSED
  23. NEP
  24. GVKM
  25. MTCR
  26. EERT
  27. MNKO
  28. GORF
  29. NJML
  30. XZG
  31. IQF
  32. DLOC
  33. FPKY
  34. CQTL
  35. PIHS
  36. GIVV
  37. NLLM
  38. DNAH
  39. OKNM
  40. IQNF

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