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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 230 · 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 BOAT is written as UBPC, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
  2. 2.If PARK is written as JQZO, how is FROG written in the same code? (a) FNQE (b) EQNF (c) HPSG (d) GORF
  3. 3.If BOAT is written as ZMYR, how is BOOK written in the same code? (a) DQQM (b) ZMMI (c) YLLH (d) ANNJ
  4. 4.If NEST is written as LCQR, how is RAIN written in the same code? (a) OXFK (b) QZHM (c) TCKP (d) PYGL
  5. 5.If BALL is written as YZOO, how is PEN written in the same code? (a) QFO (b) LWN (c) KVM (d) JUL
  6. 6.If PARK is written as RCTM, how is MILK written in the same code? (a) OKNM (b) NJML (c) PLON (d) KGJI
  7. 7.If MOON is written as OPPN, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) JNNA (d) KOOB
  8. 8.If JUMP is written as QFNK, how is RAIN written in the same code? (a) HYQL (b) JASN (c) SBJO (d) IZRM
  9. 9.If TOYS is written as VQAU, how is MOON written in the same code? (a) PRRQ (b) NPPO (c) OQQP (d) KMML
  10. 10.If STAR is written as QRYP, how is CAT written in the same code? (a) AYR (b) ZXQ (c) ECV (d) BZS
  11. 11.If TREE is written as WUHH, how is FISH written in the same code? (a) JMWL (b) CFPE (c) ILVK (d) HKUJ
  12. 12.If CAT is written as VCE, how is LAMP written in the same code? (a) PMAL (b) NCOR (c) ROCN (d) NKYJ
  13. 13.If BOOK is written as LPPC, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
  14. 14.If PARK is written as LSBQ, how is MILK written in the same code? (a) KLIM (b) LMJN (c) NJML (d) JKHL
  15. 15.If SUN is written as NUS, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) MBNQ (d) OLZK
  16. 16.If BOOK is written as YLLP, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) HSRK (d) TIJQ
  17. 17.If STAR is written as HGZI, how is PEN written in the same code? (a) QFO (b) LWN (c) JUL (d) KVM
  18. 18.If STAR is written as RATS, how is MOON written in the same code? (a) NPPO (b) NOOM (c) MNNL (d) OPPN
  19. 19.If CAT is written as SZB, how is FISH written in the same code? (a) GRHE (b) ITJG (c) EHRG (d) HSIF
  20. 20.If SHIP is written as HSRK, how is KITE written in the same code? (a) QSHW (b) OQFU (c) LJUF (d) PRGV
  21. 21.If DOG is written as CNF, how is NEST written in the same code? (a) NEST (b) MDRS (c) OFTU (d) LCQR
  22. 22.If LION is written as MJPO, how is SUN written in the same code? (a) TVO (b) OVT (c) UWP (d) RTM
  23. 23.If TOYS is written as TZPU, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DLOC (d) DPME
  24. 24.If BOAT is written as TAOB, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
  25. 25.If NEST is written as TSEN, how is MILK written in the same code? (a) LMJN (b) KLIM (c) NJML (d) JKHL
  26. 26.If TOYS is written as UAQV, how is WIND written in the same code? (a) BLGU (b) DNIW (c) FPKY (d) YKPF
  27. 27.If BELL is written as NNGD, how is SHIP written in the same code? (a) PIHS (b) UJKR (c) NGFQ (d) RKJU
  28. 28.If BELL is written as YVOO, how is WIND written in the same code? (a) ESNX (b) CQLV (c) DRMW (d) XJOE
  29. 29.If CAKE is written as XZPV, how is LAMP written in the same code? (a) PAOL (b) NYMJ (c) OZNK (d) MBNQ
  30. 30.If DESK is written as LTFE, how is PEN written in the same code? (a) NEP (b) QFO (c) OFQ (d) MDO
  31. 31.If DRUM is written as MURD, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) KVNQ (d) QNVK
  32. 32.If FISH is written as ITJG, how is COLD written in the same code? (a) DPME (b) CKNB (c) DLOC (d) EMPD
  33. 33.If WIND is written as DRMW, how is DOG written in the same code? (a) WLT (b) VKS (c) XMU (d) EPH
  34. 34.If DOG is written as WLT, how is BALL written in the same code? (a) XYNN (b) ZAPP (c) CBMM (d) YZOO
  35. 35.If MOON is written as MNNL, how is BELL written in the same code? (a) LLEB (b) MMFC (c) ADKK (d) KKDA
  36. 36.If DESK is written as LTFE, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) QJIT (d) OHGR
  37. 37.If JUMP is written as OLTI, how is TREE written in the same code? (a) SQDD (b) FFSU (c) DDQS (d) EERT
  38. 38.If BOAT is written as DQCV, how is PEN written in the same code? (a) RGP (b) SHQ (c) QFO (d) NCL
  39. 39.If DOG is written as HPE, how is DESK written in the same code? (a) EFTL (b) LTFE (c) KSED (d) JRDC
  40. 40.If MILK is written as LMJN, how is DRUM written in the same code? (a) ESVN (b) MURD (c) NVSE (d) LTQC

Answer key

  1. OPJM
  2. FNQE
  3. ZMMI
  4. PYGL
  5. KVM
  6. OKNM
  7. LPPC
  8. IZRM
  9. OQQP
  10. AYR
  11. ILVK
  12. ROCN
  13. FFSU
  14. LMJN
  15. PMAL
  16. HSRK
  17. KVM
  18. NOOM
  19. GRHE
  20. PRGV
  21. MDRS
  22. TVO
  23. EMPD
  24. NUS
  25. KLIM
  26. FPKY
  27. RKJU
  28. DRMW
  29. OZNK
  30. OFQ
  31. PMUJ
  32. EMPD
  33. WLT
  34. YZOO
  35. KKDA
  36. QJIT
  37. DDQS
  38. RGP
  39. LTFE
  40. NVSE

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