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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 104 · 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 NEST is written as SRDM, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) MHZQ (d) QZHM
  2. 2.If PEN is written as KVM, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) XZPV (d) WYOU
  3. 3.If LION is written as ORLM, how is STAR written in the same code? (a) TUBS (b) HGZI (c) IHAJ (d) GFYH
  4. 4.If BALL is written as YZOO, how is RAIN written in the same code? (a) IZRM (b) JASN (c) HYQL (d) SBJO
  5. 5.If MILK is written as KLIM, how is GOLD written in the same code? (a) EMPH (b) HPME (c) CKNF (d) DLOG
  6. 6.If LION is written as NOIL, how is PARK written in the same code? (a) KRAP (b) JQZO (c) LSBQ (d) QBSL
  7. 7.If CAT is written as AYR, how is NEST written in the same code? (a) MDRS (b) LCQR (c) PGUV (d) KBPQ
  8. 8.If STAR is written as QZSR, how is MOON written in the same code? (a) MNNL (b) OPPN (c) LNNM (d) NOOM
  9. 9.If BALL is written as YZOO, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) HSRK (d) TIJQ
  10. 10.If TOYS is written as RXNS, how is BALL written in the same code? (a) MMBC (b) KKZA (c) LLAB (d) AZKK
  11. 11.If FROG is written as GORF, how is KITE written in the same code? (a) ETIK (b) LJUF (c) DSHJ (d) FUJL
  12. 12.If NEST is written as TSEN, how is DOG written in the same code? (a) GOD (b) HPE (c) EPH (d) FNC
  13. 13.If DOG is written as BME, how is PEN written in the same code? (a) NCL (b) ODM (c) RGP (d) MBK
  14. 14.If BOOK is written as KOOB, how is CAT written in the same code? (a) TAC (b) SZB (c) UBD (d) DBU
  15. 15.If SHIP is written as TIJQ, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) NCOR (d) KZLO
  16. 16.If BOAT is written as ZMYR, how is DESK written in the same code? (a) CDRJ (b) FGUM (c) ABPH (d) BCQI
  17. 17.If CAT is written as VCE, how is JUMP written in the same code? (a) NKSH (b) PMUJ (c) LWOR (d) ROWL
  18. 18.If BELL is written as YVOO, how is TREE written in the same code? (a) HJWW (b) GIVV (c) FHUU (d) USFF
  19. 19.If KITE is written as ETIK, how is DRUM written in the same code? (a) LTQC (b) MURD (c) ESVN (d) NVSE
  20. 20.If LION is written as ORLM, how is BOOK written in the same code? (a) ZMMQ (b) YLLP (c) XKKO (d) CPPL
  21. 21.If FROG is written as GSPH, how is PEN written in the same code? (a) QFO (b) RGP (c) ODM (d) OFQ
  22. 22.If SUN is written as NUS, how is LION written in the same code? (a) NOIL (b) OPJM (c) MNHK (d) MJPO
  23. 23.If BELL is written as YVOO, how is TOYS written in the same code? (a) GLBH (b) FKAG (c) HMCI (d) UPZT
  24. 24.If MILK is written as NROP, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
  25. 25.If JUMP is written as OLTI, how is DOG written in the same code? (a) FNC (b) HPE (c) CNF (d) GOD
  26. 26.If LION is written as NKQP, how is BOOK written in the same code? (a) ZMMI (b) ERRN (c) DQQM (d) CPPL
  27. 27.If CAT is written as VCE, how is DESK written in the same code? (a) FGUM (b) KSED (c) IQCB (d) MUGF
  28. 28.If GOLD is written as CKNF, how is SHIP written in the same code? (a) RGHO (b) PIHS (c) OHGR (d) QJIT
  29. 29.If TOYS is written as TZPU, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) PIHS (d) OHGR
  30. 30.If FROG is written as GORF, how is SUN written in the same code? (a) NUS (b) TVO (c) OVT (d) MTR
  31. 31.If LAMP is written as NCOR, how is MOON written in the same code? (a) KMML (b) PRRQ (c) NPPO (d) OQQP
  32. 32.If BELL is written as DGNN, how is FROG written in the same code? (a) HTQI (b) IURJ (c) GSPH (d) DPME
  33. 33.If PEN is written as RGP, how is WIND written in the same code? (a) YKPF (b) XJOE (c) UGLB (d) ZLQG
  34. 34.If LION is written as NOIL, how is BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
  35. 35.If HAND is written as GZMC, how is DRUM written in the same code? (a) DRUM (b) BPSK (c) CQTL (d) ESVN
  36. 36.If LAMP is written as NCOR, how is FROG written in the same code? (a) DPME (b) IURJ (c) GSPH (d) HTQI
  37. 37.If SUN is written as NUS, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) LPPC (d) CPPL
  38. 38.If GOLD is written as DLOG, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) KOOB (d) JNNA
  39. 39.If DRUM is written as WIFN, how is TREE written in the same code? (a) FHUU (b) HJWW (c) USFF (d) GIVV
  40. 40.If MILK is written as MNKO, how is LION written in the same code? (a) NOIL (b) LMGJ (c) PQKN (d) NKQP

Answer key

  1. MHZQ
  2. XZPV
  3. HGZI
  4. IZRM
  5. DLOG
  6. KRAP
  7. LCQR
  8. MNNL
  9. HSRK
  10. KKZA
  11. ETIK
  12. GOD
  13. NCL
  14. TAC
  15. MBNQ
  16. BCQI
  17. ROWL
  18. GIVV
  19. MURD
  20. YLLP
  21. QFO
  22. NOIL
  23. GLBH
  24. WLT
  25. FNC
  26. DQQM
  27. MUGF
  28. OHGR
  29. QJIT
  30. NUS
  31. OQQP
  32. HTQI
  33. YKPF
  34. LLEB
  35. CQTL
  36. HTQI
  37. KOOB
  38. KOOB
  39. GIVV
  40. PQKN

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