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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 552 · 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 NEST is written as LCQR, how is TOYS written in the same code? (a) RMWQ (b) SNXR (c) QLVP (d) VQAU
  2. 2.If LAMP is written as QNBM, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
  3. 3.If DOG is written as HPE, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
  4. 4.If BOOK is written as KOOB, how is STAR written in the same code? (a) TUBS (b) RATS (c) QZSR (d) SBUT
  5. 5.If FROG is written as UILT, how is HAND written in the same code? (a) RYLV (b) TANX (c) IBOE (d) SZMW
  6. 6.If BALL is written as MMBC, how is WIND written in the same code? (a) EOJX (b) DNIW (c) CMHV (d) XJOE
  7. 7.If LION is written as OPJM, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
  8. 8.If WIND is written as DNIW, how is HAND written in the same code? (a) EOBI (b) CMZG (c) IBOE (d) DNAH
  9. 9.If COLD is written as XLOW, how is GOLD written in the same code? (a) UMPX (b) HPME (c) TLOW (d) SKNV
  10. 10.If FROG is written as IURJ, how is JUMP written in the same code? (a) LWOR (b) NYQT (c) GRJM (d) MXPS
  11. 11.If DOG is written as WLT, how is BOOK written in the same code? (a) XKKO (b) CPPL (c) ZMMQ (d) YLLP
  12. 12.If BELL is written as KKDA, how is BALL written in the same code? (a) LLAB (b) AZKK (c) KKZA (d) MMBC
  13. 13.If FROG is written as DPME, how is DOG written in the same code? (a) FQI (b) CNF (c) ALD (d) BME
  14. 14.If KITE is written as MKVG, how is MOON written in the same code? (a) PRRQ (b) KMML (c) NPPO (d) OQQP
  15. 15.If DRUM is written as BPSK, how is JUMP written in the same code? (a) GRJM (b) LWOR (c) HSKN (d) ITLO
  16. 16.If MOON is written as PRRQ, how is BELL written in the same code? (a) DGNN (b) YBII (c) EHOO (d) FIPP
  17. 17.If FROG is written as UILT, how is KITE written in the same code? (a) LJUF (b) OQFU (c) QSHW (d) PRGV
  18. 18.If BOOK is written as YLLP, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
  19. 19.If HAND is written as SZMW, how is MOON written in the same code? (a) NPPO (b) OMMN (c) NLLM (d) MKKL
  20. 20.If CAT is written as SZB, how is BALL written in the same code? (a) LLAB (b) KKZA (c) MMBC (d) AZKK
  21. 21.If MILK is written as LMJN, how is NEST written in the same code? (a) TSEN (b) OFTU (c) SRDM (d) UTFO
  22. 22.If GOLD is written as IQNF, how is BOAT written in the same code? (a) ERDW (b) DQCV (c) ZMYR (d) CPBU
  23. 23.If DRUM is written as MURD, how is FROG written in the same code? (a) FNQE (b) GORF (c) HPSG (d) GSPH
  24. 24.If PEN is written as NEP, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) QJIT (d) PIHS
  25. 25.If DRUM is written as MURD, how is NEST written in the same code? (a) OFTU (b) SRDM (c) TSEN (d) UTFO
  26. 26.If RAIN is written as NIAR, how is FISH written in the same code? (a) ITJG (b) GRHE (c) HSIF (d) GJTI
  27. 27.If WIND is written as DRMW, how is SUN written in the same code? (a) TVO (b) HFM (c) GEL (d) IGN
  28. 28.If FROG is written as IURJ, how is RAIN written in the same code? (a) TCKP (b) UDLQ (c) OXFK (d) VEMR
  29. 29.If CAT is written as XZG, how is GOLD written in the same code? (a) TLOW (b) SKNV (c) HPME (d) UMPX
  30. 30.If PARK is written as NYPI, how is FISH written in the same code? (a) DGQF (b) EHRG (c) HKUJ (d) CFPE
  31. 31.If RAIN is written as IZRM, how is LION written in the same code? (a) ORLM (b) PSMN (c) MJPO (d) NQKL
  32. 32.If STAR is written as HGZI, how is SUN written in the same code? (a) TVO (b) IGN (c) HFM (d) GEL
  33. 33.If CAT is written as ECV, how is MILK written in the same code? (a) KGJI (b) NJML (c) PLON (d) OKNM
  34. 34.If BALL is written as MMBC, how is PARK written in the same code? (a) JQZO (b) QBSL (c) LSBQ (d) KRAP
  35. 35.If FISH is written as ILVK, how is DRUM written in the same code? (a) FTWO (b) GUXP (c) AORJ (d) HVYQ
  36. 36.If NEST is written as QHVW, how is TOYS written in the same code? (a) QLVP (b) WRBV (c) XSCW (d) VQAU
  37. 37.If CAKE is written as ECMG, how is BOOK written in the same code? (a) CPPL (b) ERRN (c) ZMMI (d) DQQM
  38. 38.If BELL is written as LLEB, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
  39. 39.If PEN is written as SHQ, how is BOAT written in the same code? (a) YLXQ (b) ERDW (c) FSEX (d) DQCV
  40. 40.If RAIN is written as IZRM, how is HAND written in the same code? (a) IBOE (b) TANX (c) RYLV (d) SZMW

Answer key

  1. RMWQ
  2. OFQ
  3. OVT
  4. RATS
  5. SZMW
  6. EOJX
  7. FUJL
  8. DNAH
  9. TLOW
  10. MXPS
  11. YLLP
  12. KKZA
  13. BME
  14. OQQP
  15. HSKN
  16. EHOO
  17. PRGV
  18. HFM
  19. NLLM
  20. KKZA
  21. UTFO
  22. DQCV
  23. GORF
  24. PIHS
  25. TSEN
  26. HSIF
  27. HFM
  28. UDLQ
  29. TLOW
  30. DGQF
  31. ORLM
  32. HFM
  33. OKNM
  34. LSBQ
  35. GUXP
  36. WRBV
  37. DQQM
  38. DLOG
  39. ERDW
  40. SZMW

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