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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 800 · 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 CAT is written as XZG, how is LAMP written in the same code? (a) OZNK (b) PAOL (c) MBNQ (d) NYMJ
  2. 2.If FISH is written as HSIF, how is CAT written in the same code? (a) UBD (b) TAC (c) SZB (d) DBU
  3. 3.If NEST is written as QHVW, how is STAR written in the same code? (a) UVCT (b) VWDU (c) WXEV (d) PQXO
  4. 4.If DESK is written as KSED, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) ETIK (d) FUJL
  5. 5.If FROG is written as IQTH, how is DOG written in the same code? (a) GOD (b) EMB (c) FQI (d) IQF
  6. 6.If HAND is written as SZMW, how is PARK written in the same code? (a) LAJQ (b) JYHO (c) QBSL (d) KZIP
  7. 7.If LION is written as NOIL, how is DRUM written in the same code? (a) NVSE (b) MURD (c) ESVN (d) LTQC
  8. 8.If WIND is written as YKPF, how is FISH written in the same code? (a) DGQF (b) GJTI (c) HKUJ (d) ILVK
  9. 9.If MILK is written as KGJI, how is STAR written in the same code? (a) PQXO (b) RSZQ (c) QRYP (d) UVCT
  10. 10.If LION is written as NOIL, how is DOG written in the same code? (a) EPH (b) GOD (c) FNC (d) HPE
  11. 11.If DRUM is written as LTQC, how is BOOK written in the same code? (a) ANNJ (b) JNNA (c) LPPC (d) KOOB
  12. 12.If FISH is written as EHRG, how is TOYS written in the same code? (a) UPZT (b) TOYS (c) RMWQ (d) SNXR
  13. 13.If CAT is written as BZS, how is DOG written in the same code? (a) CNF (b) DOG (c) EPH (d) BME
  14. 14.If RAIN is written as TCKP, how is BOOK written in the same code? (a) DQQM (b) ERRN (c) CPPL (d) ZMMI
  15. 15.If SHIP is written as UJKR, how is TREE written in the same code? (a) USFF (b) WUHH (c) VTGG (d) RPCC
  16. 16.If KITE is written as FUJL, how is STAR written in the same code? (a) RATS (b) QZSR (c) TUBS (d) SBUT
  17. 17.If STAR is written as HGZI, how is SHIP written in the same code? (a) TIJQ (b) GRQJ (c) HSRK (d) ITSL
  18. 18.If PEN is written as OFQ, how is DESK written in the same code? (a) JRDC (b) KSED (c) EFTL (d) LTFE
  19. 19.If JUMP is written as ITLO, how is BALL written in the same code? (a) CBMM (b) BALL (c) AZKK (d) ZYJJ
  20. 20.If MILK is written as KLIM, how is GOLD written in the same code? (a) DLOG (b) HPME (c) EMPH (d) CKNF
  21. 21.If COLD is written as BNKC, how is DESK written in the same code? (a) DESK (b) EFTL (c) BCQI (d) CDRJ
  22. 22.If COLD is written as CKNB, how is FROG written in the same code? (a) EQNF (b) HPSG (c) FNQE (d) GORF
  23. 23.If CAKE is written as XZPV, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
  24. 24.If CAT is written as TAC, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) ESVN
  25. 25.If KITE is written as PRGV, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) CBMM (d) XYNN
  26. 26.If STAR is written as TUBS, how is DESK written in the same code? (a) LTFE (b) EFTL (c) CDRJ (d) FGUM
  27. 27.If BOOK is written as KOOB, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) JQZO (d) KRAP
  28. 28.If BOAT is written as ERDW, how is SUN written in the same code? (a) VXQ (b) WYR (c) UWP (d) PRK
  29. 29.If DOG is written as WLT, how is BELL written in the same code? (a) YVOO (b) XUNN (c) CFMM (d) ZWPP
  30. 30.If PEN is written as NEP, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
  31. 31.If KITE is written as ETIK, how is WIND written in the same code? (a) EOJX (b) XJOE (c) CMHV (d) DNIW
  32. 32.If NEST is written as LCQR, how is COLD written in the same code? (a) EQNF (b) AMJB (c) ZLIA (d) BNKC
  33. 33.If KITE is written as LJUF, how is LAMP written in the same code? (a) KZLO (b) QNBM (c) NCOR (d) MBNQ
  34. 34.If BOOK is written as MQQD, how is KITE written in the same code? (a) CRGI (b) ETIK (c) MKVG (d) GVKM
  35. 35.If BOOK is written as YLLP, how is STAR written in the same code? (a) IHAJ (b) HGZI (c) GFYH (d) TUBS
  36. 36.If HAND is written as SZMW, how is SHIP written in the same code? (a) HSRK (b) TIJQ (c) GRQJ (d) ITSL
  37. 37.If JUMP is written as QFNK, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
  38. 38.If RAIN is written as NIAR, how is FROG written in the same code? (a) HPSG (b) GSPH (c) FNQE (d) GORF
  39. 39.If DESK is written as KSED, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
  40. 40.If COLD is written as XLOW, how is PEN written in the same code? (a) KVM (b) LWN (c) JUL (d) QFO

Answer key

  1. OZNK
  2. TAC
  3. VWDU
  4. ETIK
  5. IQF
  6. KZIP
  7. MURD
  8. HKUJ
  9. QRYP
  10. GOD
  11. JNNA
  12. SNXR
  13. CNF
  14. DQQM
  15. VTGG
  16. SBUT
  17. HSRK
  18. LTFE
  19. AZKK
  20. DLOG
  21. CDRJ
  22. FNQE
  23. GLBH
  24. MURD
  25. YZOO
  26. EFTL
  27. KRAP
  28. VXQ
  29. YVOO
  30. KOOB
  31. DNIW
  32. AMJB
  33. MBNQ
  34. GVKM
  35. HGZI
  36. HSRK
  37. XZPV
  38. GORF
  39. HSIF
  40. KVM

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