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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 854 · 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 FISH is written as ITJG, how is PEN written in the same code? (a) QFO (b) MDO (c) OFQ (d) NEP
  2. 2.If DOG is written as FQI, how is PEN written in the same code? (a) QFO (b) RGP (c) SHQ (d) NCL
  3. 3.If MOON is written as NLLM, how is SUN written in the same code? (a) GEL (b) IGN (c) TVO (d) HFM
  4. 4.If FISH is written as URHS, how is COLD written in the same code? (a) DPME (b) YMPX (c) XLOW (d) WKNV
  5. 5.If BALL is written as MMBC, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) NIAR (d) SBJO
  6. 6.If BOAT is written as ERDW, how is FISH written in the same code? (a) JMWL (b) ILVK (c) HKUJ (d) CFPE
  7. 7.If DOG is written as WLT, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) YLZG (d) XKYF
  8. 8.If DRUM is written as NVSE, how is COLD written in the same code? (a) DLOC (b) DPME (c) CKNB (d) EMPD
  9. 9.If MILK is written as LMJN, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
  10. 10.If PEN is written as KVM, how is SHIP written in the same code? (a) GRQJ (b) HSRK (c) ITSL (d) TIJQ
  11. 11.If PEN is written as KVM, how is FROG written in the same code? (a) UILT (b) GSPH (c) THKS (d) VJMU
  12. 12.If MOON is written as NOOM, how is DESK written in the same code? (a) LTFE (b) JRDC (c) EFTL (d) KSED
  13. 13.If LAMP is written as ODPS, how is BOAT written in the same code? (a) FSEX (b) ERDW (c) YLXQ (d) DQCV
  14. 14.If BALL is written as LLAB, how is DESK written in the same code? (a) JRDC (b) EFTL (c) KSED (d) LTFE
  15. 15.If SHIP is written as PIHS, how is DESK written in the same code? (a) LTFE (b) KSED (c) EFTL (d) JRDC
  16. 16.If TREE is written as VTGG, how is LAMP written in the same code? (a) NCOR (b) JYKN (c) ODPS (d) MBNQ
  17. 17.If SUN is written as HFM, how is TREE written in the same code? (a) USFF (b) GIVV (c) FHUU (d) HJWW
  18. 18.If GOLD is written as HPME, how is SUN written in the same code? (a) OVT (b) RTM (c) UWP (d) TVO
  19. 19.If FROG is written as GORF, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) KOOB (d) LPPC
  20. 20.If PEN is written as OFQ, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) HPME (d) DLOG
  21. 21.If MOON is written as MNNL, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) CDRJ
  22. 22.If MILK is written as NROP, how is JUMP written in the same code? (a) QFNK (b) PEMJ (c) RGOL (d) KVNQ
  23. 23.If KITE is written as IGRC, how is NEST written in the same code? (a) KBPQ (b) PGUV (c) LCQR (d) MDRS
  24. 24.If PEN is written as SHQ, how is CAT written in the same code? (a) GEX (b) ECV (c) ZXQ (d) FDW
  25. 25.If TOYS is written as SYOT, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) EMPH (d) HPME
  26. 26.If HAND is written as CMZG, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) JHSD (d) ETIK
  27. 27.If STAR is written as RATS, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
  28. 28.If SUN is written as PWU, how is GOLD written in the same code? (a) BJME (b) DLOG (c) FNQI (d) IQNF
  29. 29.If BELL is written as EHOO, how is KITE written in the same code? (a) NLWH (b) OMXI (c) HFQB (d) MKVG
  30. 30.If WIND is written as DNIW, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) TAOB (d) SZNA
  31. 31.If WIND is written as EOJX, how is SUN written in the same code? (a) TVO (b) MTR (c) OVT (d) NUS
  32. 32.If MILK is written as OKNM, how is PEN written in the same code? (a) QFO (b) RGP (c) NCL (d) SHQ
  33. 33.If NEST is written as SRDM, how is FROG written in the same code? (a) FNQE (b) EQNF (c) GORF (d) HPSG
  34. 34.If TOYS is written as SYOT, how is DOG written in the same code? (a) HPE (b) EPH (c) GOD (d) FNC
  35. 35.If MILK is written as NROP, how is FISH written in the same code? (a) GJTI (b) TQGR (c) VSIT (d) URHS
  36. 36.If BOOK is written as YLLP, how is COLD written in the same code? (a) XLOW (b) DPME (c) YMPX (d) WKNV
  37. 37.If CAKE is written as BZJD, how is NEST written in the same code? (a) OFTU (b) LCQR (c) NEST (d) MDRS
  38. 38.If DOG is written as EPH, how is NEST written in the same code? (a) MDRS (b) PGUV (c) OFTU (d) UTFO
  39. 39.If TOYS is written as UAQV, how is FISH written in the same code? (a) HSIF (b) FQGD (c) HKUJ (d) JUKH
  40. 40.If TREE is written as GGTV, how is PEN written in the same code? (a) NEP (b) RGP (c) LCN (d) PGR

Answer key

  1. OFQ
  2. RGP
  3. HFM
  4. XLOW
  5. OJBS
  6. ILVK
  7. YLZG
  8. EMPD
  9. FUJL
  10. HSRK
  11. UILT
  12. KSED
  13. ERDW
  14. KSED
  15. KSED
  16. NCOR
  17. GIVV
  18. TVO
  19. KOOB
  20. EMPH
  21. JRDC
  22. QFNK
  23. LCQR
  24. FDW
  25. DLOG
  26. DSHJ
  27. NUS
  28. FNQI
  29. NLWH
  30. TAOB
  31. OVT
  32. RGP
  33. FNQE
  34. GOD
  35. URHS
  36. XLOW
  37. MDRS
  38. OFTU
  39. JUKH
  40. PGR

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