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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 644 · 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 BOAT is written as YLZG, how is MILK written in the same code? (a) NJML (b) NROP (c) OSPQ (d) MQNO
  2. 2.If BOOK is written as KOOB, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
  3. 3.If MILK is written as LMJN, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
  4. 4.If BOAT is written as YLZG, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) GFYH (d) TUBS
  5. 5.If BELL is written as DGNN, how is COLD written in the same code? (a) AMJB (b) FROG (c) DPME (d) EQNF
  6. 6.If GOLD is written as JROG, how is SHIP written in the same code? (a) UJKR (b) PEFM (c) WLMT (d) VKLS
  7. 7.If PARK is written as KZIP, how is COLD written in the same code? (a) DPME (b) YMPX (c) WKNV (d) XLOW
  8. 8.If DRUM is written as WIFN, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
  9. 9.If RAIN is written as MHZQ, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SNXR (d) SYOT
  10. 10.If MILK is written as JKHL, how is GOLD written in the same code? (a) FNKC (b) CKNF (c) DLOG (d) EMPH
  11. 11.If HAND is written as FPCJ, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) BJME (d) FNQI
  12. 12.If PARK is written as KZIP, how is TREE written in the same code? (a) GIVV (b) FHUU (c) USFF (d) HJWW
  13. 13.If RAIN is written as IZRM, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) YLZG (d) CPBU
  14. 14.If DESK is written as KSED, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DPME (d) DLOC
  15. 15.If RAIN is written as PKCT, how is HAND written in the same code? (a) FPCJ (b) BLYF (c) DNAH (d) JCPF
  16. 16.If TREE is written as EERT, how is BALL written in the same code? (a) KKZA (b) CBMM (c) LLAB (d) MMBC
  17. 17.If BOOK is written as DQQM, how is LAMP written in the same code? (a) NCOR (b) MBNQ (c) ODPS (d) JYKN
  18. 18.If BOAT is written as UBPC, how is CAT written in the same code? (a) TAC (b) SZB (c) DBU (d) UBD
  19. 19.If PEN is written as OFQ, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
  20. 20.If PEN is written as MDO, how is HAND written in the same code? (a) GZMC (b) CMZG (c) DNAH (d) EOBI
  21. 21.If DRUM is written as NVSE, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) TZPU (d) UPZT
  22. 22.If CAKE is written as DBLF, how is WIND written in the same code? (a) YKPF (b) VHMC (c) EOJX (d) XJOE
  23. 23.If GOLD is written as DLOG, how is STAR written in the same code? (a) TUBS (b) RATS (c) QZSR (d) SBUT
  24. 24.If BELL is written as LLEB, how is BALL written in the same code? (a) LLAB (b) CBMM (c) KKZA (d) MMBC
  25. 25.If BOAT is written as ANZS, how is CAT written in the same code? (a) DBU (b) CAT (c) BZS (d) AYR
  26. 26.If WIND is written as CMHV, how is MOON written in the same code? (a) LNNM (b) NOOM (c) OPPN (d) MNNL
  27. 27.If CAKE is written as XZPV, how is MILK written in the same code? (a) MQNO (b) NROP (c) OSPQ (d) NJML
  28. 28.If MOON is written as KMML, how is HAND written in the same code? (a) FYLB (b) JCPF (c) GZMC (d) EXKA
  29. 29.If TREE is written as EERT, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
  30. 30.If FROG is written as EQNF, how is COLD written in the same code? (a) DPME (b) AMJB (c) BNKC (d) COLD
  31. 31.If JUMP is written as KVNQ, how is FISH written in the same code? (a) HKUJ (b) ITJG (c) EHRG (d) GJTI
  32. 32.If BALL is written as KKZA, how is LION written in the same code? (a) NOIL (b) KHNM (c) MNHK (d) OPJM
  33. 33.If FISH is written as ILVK, how is BOOK written in the same code? (a) FSSO (b) YLLH (c) DQQM (d) ERRN
  34. 34.If PEN is written as SHQ, how is FROG written in the same code? (a) HTQI (b) IURJ (c) COLD (d) JVSK
  35. 35.If CAT is written as XZG, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) OZNK (d) PAOL
  36. 36.If SUN is written as OVT, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) LJUF (d) FUJL
  37. 37.If DESK is written as KSED, how is HAND written in the same code? (a) DNAH (b) CMZG (c) EOBI (d) IBOE
  38. 38.If DRUM is written as FTWO, how is DESK written in the same code? (a) GHVN (b) FGUM (c) EFTL (d) BCQI
  39. 39.If LION is written as NOIL, how is MILK written in the same code? (a) NJML (b) JKHL (c) KLIM (d) LMJN
  40. 40.If DESK is written as KSED, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT

Answer key

  1. NROP
  2. TAC
  3. FLBD
  4. HGZI
  5. EQNF
  6. VKLS
  7. XLOW
  8. KZIP
  9. RXNS
  10. CKNF
  11. FNQI
  12. GIVV
  13. YLZG
  14. DLOC
  15. FPCJ
  16. LLAB
  17. NCOR
  18. UBD
  19. TZPU
  20. CMZG
  21. TZPU
  22. XJOE
  23. RATS
  24. LLAB
  25. BZS
  26. MNNL
  27. NROP
  28. FYLB
  29. NUS
  30. BNKC
  31. GJTI
  32. MNHK
  33. ERRN
  34. IURJ
  35. OZNK
  36. FUJL
  37. DNAH
  38. FGUM
  39. KLIM
  40. RATS

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