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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 825 · 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 RAIN is written as IZRM, how is BOOK written in the same code? (a) ZMMQ (b) YLLP (c) CPPL (d) XKKO
  2. 2.If CAT is written as TAC, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) SZNA (d) UBPC
  3. 3.If PEN is written as NEP, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
  4. 4.If FISH is written as GRHE, how is CAT written in the same code? (a) BZS (b) TAC (c) UBD (d) SZB
  5. 5.If LION is written as ORLM, how is FROG written in the same code? (a) GSPH (b) UILT (c) THKS (d) VJMU
  6. 6.If CAT is written as BZS, how is RAIN written in the same code? (a) RAIN (b) QZHM (c) SBJO (d) PYGL
  7. 7.If NEST is written as UTFO, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) PMUJ (d) OLTI
  8. 8.If MILK is written as OKNM, how is BOOK written in the same code? (a) DQQM (b) CPPL (c) ERRN (d) ZMMI
  9. 9.If FROG is written as HPSG, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
  10. 10.If PEN is written as QFO, how is FROG written in the same code? (a) HPSG (b) GSPH (c) EQNF (d) HTQI
  11. 11.If CAT is written as UBD, how is BELL written in the same code? (a) CFMM (b) LLEB (c) MMFC (d) KKDA
  12. 12.If MILK is written as LMJN, how is TREE written in the same code? (a) DDQS (b) EERT (c) FFSU (d) USFF
  13. 13.If DOG is written as HPE, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) OLTI (d) QNVK
  14. 14.If BOAT is written as ANZS, how is TREE written in the same code? (a) RPCC (b) SQDD (c) USFF (d) TREE
  15. 15.If CAT is written as SZB, how is BALL written in the same code? (a) AZKK (b) KKZA (c) MMBC (d) LLAB
  16. 16.If MOON is written as PQQO, how is STAR written in the same code? (a) UVCT (b) RATS (c) TCVU (d) PYRQ
  17. 17.If RAIN is written as QZHM, how is DRUM written in the same code? (a) DRUM (b) ESVN (c) CQTL (d) BPSK
  18. 18.If PARK is written as KRAP, how is FROG written in the same code? (a) GSPH (b) HPSG (c) GORF (d) FNQE
  19. 19.If COLD is written as DLOC, how is STAR written in the same code? (a) RATS (b) QZSR (c) SBUT (d) TUBS
  20. 20.If PARK is written as MTCR, how is JUMP written in the same code? (a) PMUJ (b) NKSH (c) LWOR (d) ROWL
  21. 21.If DOG is written as GOD, how is GOLD written in the same code? (a) DLOG (b) HPME (c) EMPH (d) CKNF
  22. 22.If TREE is written as DDQS, how is CAT written in the same code? (a) BZS (b) UBD (c) SZB (d) TAC
  23. 23.If LAMP is written as KZLO, how is WIND written in the same code? (a) WIND (b) VHMC (c) UGLB (d) XJOE
  24. 24.If STAR is written as UVCT, how is BALL written in the same code? (a) DCNN (b) EDOO (c) ZYJJ (d) CBMM
  25. 25.If MILK is written as KLIM, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
  26. 26.If CAT is written as TAC, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
  27. 27.If NEST is written as VUGP, how is WIND written in the same code? (a) FPKY (b) DNIW (c) YKPF (d) BLGU
  28. 28.If NEST is written as OFTU, how is FROG written in the same code? (a) HTQI (b) GSPH (c) EQNF (d) HPSG
  29. 29.If KITE is written as MKVG, how is LAMP written in the same code? (a) MBNQ (b) JYKN (c) NCOR (d) ODPS
  30. 30.If DOG is written as IQF, how is TOYS written in the same code? (a) UAQV (b) SYOT (c) QWMR (d) VQAU
  31. 31.If STAR is written as HGZI, how is WIND written in the same code? (a) DRMW (b) CQLV (c) ESNX (d) XJOE
  32. 32.If TREE is written as DDQS, how is DRUM written in the same code? (a) LTQC (b) MURD (c) NVSE (d) CQTL
  33. 33.If COLD is written as DLOC, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
  34. 34.If WIND is written as DNIW, how is DRUM written in the same code? (a) LTQC (b) ESVN (c) NVSE (d) MURD
  35. 35.If BOOK is written as KOOB, how is MILK written in the same code? (a) LMJN (b) JKHL (c) KLIM (d) NJML
  36. 36.If DRUM is written as NVSE, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SYOT (d) UPZT
  37. 37.If WIND is written as DNIW, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
  38. 38.If DESK is written as WVHP, how is FISH written in the same code? (a) GJTI (b) TQGR (c) URHS (d) VSIT
  39. 39.If FISH is written as URHS, how is CAT written in the same code? (a) DBU (b) WYF (c) YAH (d) XZG
  40. 40.If LION is written as JGML, how is BELL written in the same code? (a) DGNN (b) YBII (c) ZCJJ (d) ADKK

Answer key

  1. YLLP
  2. TAOB
  3. LLEB
  4. SZB
  5. UILT
  6. QZHM
  7. QNVK
  8. DQQM
  9. LPPC
  10. GSPH
  11. MMFC
  12. FFSU
  13. QNVK
  14. SQDD
  15. KKZA
  16. TCVU
  17. CQTL
  18. GORF
  19. RATS
  20. ROWL
  21. DLOG
  22. SZB
  23. VHMC
  24. DCNN
  25. ETIK
  26. EERT
  27. FPKY
  28. GSPH
  29. NCOR
  30. UAQV
  31. DRMW
  32. LTQC
  33. NUS
  34. MURD
  35. KLIM
  36. TZPU
  37. TAOB
  38. URHS
  39. XZG
  40. ZCJJ

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