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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 937 · 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 BOOK is written as KOOB, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) GJTI
  2. 2.If CAKE is written as EKAC, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
  3. 3.If TOYS is written as RXNS, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) FLBD (d) BZJD
  4. 4.If BELL is written as MMFC, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
  5. 5.If DRUM is written as WIFN, how is DOG written in the same code? (a) WLT (b) VKS (c) EPH (d) XMU
  6. 6.If KITE is written as PRGV, how is CAKE written in the same code? (a) DBLF (b) WYOU (c) XZPV (d) YAQW
  7. 7.If TOYS is written as UPZT, how is LION written in the same code? (a) NKQP (b) OPJM (c) KHNM (d) MJPO
  8. 8.If FISH is written as DGQF, how is NEST written in the same code? (a) MDRS (b) PGUV (c) LCQR (d) KBPQ
  9. 9.If DOG is written as WLT, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
  10. 10.If TOYS is written as RMWQ, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) AYIC (d) ZXHB
  11. 11.If PEN is written as NCL, how is WIND written in the same code? (a) VHMC (b) TFKA (c) UGLB (d) YKPF
  12. 12.If FISH is written as HSIF, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
  13. 13.If HAND is written as CMZG, how is WIND written in the same code? (a) EOJX (b) VHMC (c) DNIW (d) CMHV
  14. 14.If BOAT is written as YLZG, how is SUN written in the same code? (a) TVO (b) IGN (c) HFM (d) GEL
  15. 15.If TOYS is written as SYOT, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
  16. 16.If FISH is written as URHS, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
  17. 17.If LION is written as OPJM, how is BELL written in the same code? (a) CFMM (b) MMFC (c) KKDA (d) LLEB
  18. 18.If BOAT is written as VCQD, how is NEST written in the same code? (a) VUGP (b) PGUV (c) TSEN (d) RQCL
  19. 19.If DRUM is written as GUXP, how is DESK written in the same code? (a) ABPH (b) FGUM (c) GHVN (d) HIWO
  20. 20.If JUMP is written as MXPS, how is LION written in the same code? (a) NKQP (b) PMSR (c) OLRQ (d) IFLK
  21. 21.If KITE is written as PRGV, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) OZNK (d) PAOL
  22. 22.If DESK is written as LTFE, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
  23. 23.If STAR is written as SBUT, how is FISH written in the same code? (a) GJTI (b) HSIF (c) ITJG (d) GRHE
  24. 24.If BOAT is written as TAOB, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) HPME
  25. 25.If JUMP is written as OLTI, how is FISH written in the same code? (a) EHRG (b) HSIF (c) GRHE (d) ITJG
  26. 26.If MOON is written as NOOM, how is FISH written in the same code? (a) GJTI (b) GRHE (c) ITJG (d) HSIF
  27. 27.If WIND is written as XJOE, how is SHIP written in the same code? (a) RGHO (b) UJKR (c) TIJQ (d) QJIT
  28. 28.If SUN is written as UWP, how is GOLD written in the same code? (a) JROG (b) HPME (c) IQNF (d) EMJB
  29. 29.If BALL is written as YZOO, how is GOLD written in the same code? (a) HPME (b) UMPX (c) TLOW (d) SKNV
  30. 30.If BALL is written as AZKK, how is STAR written in the same code? (a) QRYP (b) STAR (c) TUBS (d) RSZQ
  31. 31.If RAIN is written as UDLQ, how is BALL written in the same code? (a) YXII (b) EDOO (c) DCNN (d) FEPP
  32. 32.If COLD is written as DLOC, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
  33. 33.If GOLD is written as CKNF, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) KZLO (d) PMAL
  34. 34.If RAIN is written as QZHM, how is DESK written in the same code? (a) CDRJ (b) BCQI (c) EFTL (d) DESK
  35. 35.If SUN is written as PWU, how is COLD written in the same code? (a) BJMA (b) FNQE (c) EQNF (d) DLOC
  36. 36.If SHIP is written as PIHS, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GORF (d) GSPH
  37. 37.If RAIN is written as IZRM, how is COLD written in the same code? (a) XLOW (b) WKNV (c) YMPX (d) DPME
  38. 38.If MILK is written as KLIM, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) OJBS (d) MHZQ
  39. 39.If TREE is written as USFF, how is PEN written in the same code? (a) RGP (b) OFQ (c) ODM (d) QFO
  40. 40.If DESK is written as BCQI, how is DRUM written in the same code? (a) FTWO (b) AORJ (c) BPSK (d) CQTL

Answer key

  1. HSIF
  2. SYOT
  3. DJZB
  4. EOJX
  5. WLT
  6. XZPV
  7. MJPO
  8. LCQR
  9. TLOW
  10. AYIC
  11. UGLB
  12. NUS
  13. CMHV
  14. HFM
  15. NIAR
  16. WLT
  17. MMFC
  18. VUGP
  19. GHVN
  20. OLRQ
  21. OZNK
  22. FLBD
  23. ITJG
  24. DLOG
  25. GRHE
  26. HSIF
  27. TIJQ
  28. IQNF
  29. TLOW
  30. RSZQ
  31. EDOO
  32. GOD
  33. OLZK
  34. CDRJ
  35. FNQE
  36. GORF
  37. XLOW
  38. NIAR
  39. QFO
  40. BPSK

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