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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 168 · 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 SUN is written as PWU, how is DOG written in the same code? (a) FQI (b) IQF (c) EMB (d) GOD
  2. 2.If SHIP is written as RGHO, how is SUN written in the same code? (a) TVO (b) QSL (c) SUN (d) RTM
  3. 3.If NEST is written as MVHG, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
  4. 4.If DOG is written as GOD, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) MBNQ (d) PMAL
  5. 5.If KITE is written as ETIK, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
  6. 6.If BELL is written as KKDA, how is DRUM written in the same code? (a) MURD (b) NVSE (c) CQTL (d) LTQC
  7. 7.If MILK is written as PLON, how is MOON written in the same code? (a) OQQP (b) QSSR (c) PRRQ (d) JLLK
  8. 8.If DRUM is written as CQTL, how is STAR written in the same code? (a) STAR (b) QRYP (c) TUBS (d) RSZQ
  9. 9.If PEN is written as RGP, how is FISH written in the same code? (a) DGQF (b) ILVK (c) HKUJ (d) GJTI
  10. 10.If CAT is written as XZG, how is BELL written in the same code? (a) YVOO (b) CFMM (c) XUNN (d) ZWPP
  11. 11.If LAMP is written as PMAL, how is LION written in the same code? (a) NOIL (b) MJPO (c) MNHK (d) OPJM
  12. 12.If BALL is written as ZYJJ, how is SUN written in the same code? (a) UWP (b) QSL (c) RTM (d) PRK
  13. 13.If DOG is written as HPE, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GRHE (d) GJTI
  14. 14.If KITE is written as GVKM, how is MOON written in the same code? (a) NOOM (b) PQQO (c) OQQP (d) LMMK
  15. 15.If BELL is written as LLEB, how is GOLD written in the same code? (a) HPME (b) EMPH (c) CKNF (d) DLOG
  16. 16.If TREE is written as GGTV, how is SUN written in the same code? (a) NUS (b) UWP (c) PWU (d) LSQ
  17. 17.If DOG is written as FQI, how is RAIN written in the same code? (a) SBJO (b) UDLQ (c) TCKP (d) PYGL
  18. 18.If PEN is written as ODM, how is HAND written in the same code? (a) FYLB (b) HAND (c) IBOE (d) GZMC
  19. 19.If JUMP is written as ITLO, how is FISH written in the same code? (a) GJTI (b) DGQF (c) EHRG (d) FISH
  20. 20.If TOYS is written as TZPU, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
  21. 21.If LAMP is written as ROCN, how is KITE written in the same code? (a) GVKM (b) MKVG (c) ETIK (d) CRGI
  22. 22.If HAND is written as DNAH, how is CAT written in the same code? (a) SZB (b) TAC (c) DBU (d) UBD
  23. 23.If HAND is written as JCPF, how is PEN written in the same code? (a) QFO (b) SHQ (c) RGP (d) NCL
  24. 24.If FROG is written as IQTH, how is GOLD written in the same code? (a) DLOG (b) FNQI (c) BJME (d) IQNF
  25. 25.If DOG is written as GOD, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
  26. 26.If FISH is written as EHRG, how is KITE written in the same code? (a) KITE (b) LJUF (c) JHSD (d) IGRC
  27. 27.If KITE is written as LJUF, how is PEN written in the same code? (a) QFO (b) ODM (c) OFQ (d) RGP
  28. 28.If BOOK is written as LPPC, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) UBPC (d) CPBU
  29. 29.If DRUM is written as NVSE, how is PARK written in the same code? (a) KRAP (b) QBSL (c) JQZO (d) LSBQ
  30. 30.If SHIP is written as HSRK, how is DRUM written in the same code? (a) XJGO (b) ESVN (c) WIFN (d) VHEM
  31. 31.If KITE is written as DSHJ, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) BZJD (d) FLBD
  32. 32.If NEST is written as OFTU, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) RGHO (d) UJKR
  33. 33.If MOON is written as NLLM, how is SHIP written in the same code? (a) TIJQ (b) ITSL (c) HSRK (d) GRQJ
  34. 34.If WIND is written as DNIW, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
  35. 35.If PEN is written as OFQ, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) JQZO (d) KRAP
  36. 36.If BOOK is written as MQQD, how is LION written in the same code? (a) PQKN (b) LMGJ (c) NKQP (d) NOIL
  37. 37.If LION is written as MNHK, how is KITE written in the same code? (a) JHSD (b) ETIK (c) DSHJ (d) FUJL
  38. 38.If PEN is written as NEP, how is DESK written in the same code? (a) JRDC (b) EFTL (c) LTFE (d) KSED
  39. 39.If PEN is written as KVM, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) CPPL (d) ZMMQ
  40. 40.If DRUM is written as BPSK, how is KITE written in the same code? (a) IGRC (b) MKVG (c) HFQB (d) JHSD

Answer key

  1. IQF
  2. RTM
  3. HFM
  4. PMAL
  5. DLOG
  6. LTQC
  7. PRRQ
  8. RSZQ
  9. HKUJ
  10. YVOO
  11. NOIL
  12. QSL
  13. ITJG
  14. PQQO
  15. DLOG
  16. PWU
  17. TCKP
  18. GZMC
  19. EHRG
  20. OPJM
  21. GVKM
  22. TAC
  23. RGP
  24. FNQI
  25. NUS
  26. JHSD
  27. QFO
  28. UBPC
  29. LSBQ
  30. WIFN
  31. DJZB
  32. TIJQ
  33. HSRK
  34. HSIF
  35. LSBQ
  36. PQKN
  37. DSHJ
  38. KSED
  39. YLLP
  40. IGRC

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