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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 433 · 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 PEN is written as NEP, how is DOG written in the same code? (a) HPE (b) FNC (c) GOD (d) EPH
  2. 2.If TREE is written as VTGG, how is CAT written in the same code? (a) ECV (b) DBU (c) AYR (d) FDW
  3. 3.If SHIP is written as RKJU, how is DRUM written in the same code? (a) KSPB (b) MURD (c) FTWO (d) OWTF
  4. 4.If TOYS is written as RMWQ, how is DRUM written in the same code? (a) BPSK (b) AORJ (c) FTWO (d) CQTL
  5. 5.If FISH is written as GJTI, how is WIND written in the same code? (a) XJOE (b) VHMC (c) EOJX (d) YKPF
  6. 6.If FROG is written as UILT, how is BOAT written in the same code? (a) YLZG (b) XKYF (c) CPBU (d) ZMAH
  7. 7.If RAIN is written as IZRM, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
  8. 8.If LION is written as ORLM, how is DOG written in the same code? (a) XMU (b) EPH (c) VKS (d) WLT
  9. 9.If RAIN is written as IZRM, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
  10. 10.If WIND is written as DRMW, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
  11. 11.If LAMP is written as PMAL, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
  12. 12.If KITE is written as ETIK, how is PARK written in the same code? (a) QBSL (b) JQZO (c) KRAP (d) LSBQ
  13. 13.If GOLD is written as DLOG, how is SUN written in the same code? (a) NUS (b) OVT (c) TVO (d) MTR
  14. 14.If KITE is written as LJUF, how is SUN written in the same code? (a) RTM (b) UWP (c) OVT (d) TVO
  15. 15.If WIND is written as VHMC, how is DRUM written in the same code? (a) DRUM (b) BPSK (c) CQTL (d) ESVN
  16. 16.If BELL is written as YVOO, how is TOYS written in the same code? (a) UPZT (b) GLBH (c) HMCI (d) FKAG
  17. 17.If WIND is written as DNIW, how is DOG written in the same code? (a) HPE (b) FNC (c) GOD (d) EPH
  18. 18.If HAND is written as SZMW, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) TUBS (d) HGZI
  19. 19.If DOG is written as EPH, how is GOLD written in the same code? (a) IQNF (b) FNKC (c) EMPH (d) HPME
  20. 20.If DOG is written as EPH, how is BOAT written in the same code? (a) CPBU (b) DQCV (c) UBPC (d) ANZS
  21. 21.If KITE is written as MKVG, how is LAMP written in the same code? (a) MBNQ (b) ODPS (c) JYKN (d) NCOR
  22. 22.If SHIP is written as PIHS, how is CAT written in the same code? (a) DBU (b) SZB (c) TAC (d) UBD
  23. 23.If MILK is written as NROP, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) YLZG (d) CPBU
  24. 24.If TREE is written as USFF, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) ITJG (d) EHRG
  25. 25.If PARK is written as KRAP, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) MHZQ (d) SBJO
  26. 26.If DRUM is written as WIFN, how is COLD written in the same code? (a) DPME (b) WKNV (c) XLOW (d) YMPX
  27. 27.If JUMP is written as PMUJ, how is BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
  28. 28.If NEST is written as VUGP, how is MOON written in the same code? (a) LMMK (b) NOOM (c) PQQO (d) OQQP
  29. 29.If DOG is written as HPE, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
  30. 30.If TOYS is written as UAQV, how is JUMP written in the same code? (a) NKSH (b) PMUJ (c) LWOR (d) ROWL
  31. 31.If CAKE is written as EKAC, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) UBPC (d) SZNA
  32. 32.If PARK is written as QBSL, how is FISH written in the same code? (a) EHRG (b) HKUJ (c) ITJG (d) GJTI
  33. 33.If STAR is written as HGZI, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
  34. 34.If FISH is written as HSIF, how is BALL written in the same code? (a) MMBC (b) LLAB (c) KKZA (d) CBMM
  35. 35.If KITE is written as IGRC, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) AYIC (d) ZXHB
  36. 36.If STAR is written as VWDU, how is FISH written in the same code? (a) JMWL (b) HKUJ (c) ILVK (d) CFPE
  37. 37.If LION is written as MJPO, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) GJTI (d) ITJG
  38. 38.If BELL is written as DGNN, how is NEST written in the same code? (a) QHVW (b) LCQR (c) PGUV (d) OFTU
  39. 39.If SUN is written as UWP, how is TREE written in the same code? (a) WUHH (b) RPCC (c) USFF (d) VTGG
  40. 40.If KITE is written as ETIK, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) SZNA (d) TAOB

Answer key

  1. GOD
  2. ECV
  3. OWTF
  4. BPSK
  5. XJOE
  6. YLZG
  7. HFM
  8. WLT
  9. XZG
  10. KVM
  11. KSED
  12. KRAP
  13. NUS
  14. TVO
  15. CQTL
  16. GLBH
  17. GOD
  18. HGZI
  19. HPME
  20. CPBU
  21. NCOR
  22. TAC
  23. YLZG
  24. GJTI
  25. NIAR
  26. XLOW
  27. LLAB
  28. PQQO
  29. FUJL
  30. ROWL
  31. TAOB
  32. GJTI
  33. URHS
  34. LLAB
  35. AYIC
  36. ILVK
  37. GJTI
  38. PGUV
  39. VTGG
  40. TAOB

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