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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 620 · 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 TOYS is written as GLBH, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
  2. 2.If FROG is written as FNQE, how is KITE written in the same code? (a) JHSD (b) ETIK (c) DSHJ (d) FUJL
  3. 3.If SUN is written as NUS, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
  4. 4.If MILK is written as KLIM, how is FROG written in the same code? (a) GORF (b) FNQE (c) GSPH (d) HPSG
  5. 5.If LION is written as MNHK, how is BOOK written in the same code? (a) ANNJ (b) KOOB (c) LPPC (d) JNNA
  6. 6.If SHIP is written as RKJU, how is GOLD written in the same code? (a) FNQI (b) DLOG (c) BJME (d) IQNF
  7. 7.If SHIP is written as TIJQ, how is BELL written in the same code? (a) ADKK (b) CFMM (c) MMFC (d) DGNN
  8. 8.If MILK is written as KLIM, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) TIJQ (d) PIHS
  9. 9.If PEN is written as QFO, how is SUN written in the same code? (a) RTM (b) TVO (c) UWP (d) OVT
  10. 10.If STAR is written as QZSR, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) JHSD (d) ETIK
  11. 11.If STAR is written as QRYP, how is BALL written in the same code? (a) YXII (b) DCNN (c) AZKK (d) ZYJJ
  12. 12.If KITE is written as ETIK, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) XJOE
  13. 13.If CAT is written as DBU, how is HAND written in the same code? (a) GZMC (b) EOBI (c) IBOE (d) JCPF
  14. 14.If CAKE is written as FDNH, how is STAR written in the same code? (a) VWDU (b) UVCT (c) WXEV (d) PQXO
  15. 15.If FROG is written as FNQE, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) RATS (d) QZSR
  16. 16.If RAIN is written as OJBS, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) SZNA (d) TAOB
  17. 17.If PARK is written as SDUN, how is CAKE written in the same code? (a) ZXHB (b) FDNH (c) ECMG (d) GEOI
  18. 18.If WIND is written as EOJX, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
  19. 19.If DRUM is written as BPSK, how is PARK written in the same code? (a) MXOH (b) OZQJ (c) RCTM (d) NYPI
  20. 20.If DRUM is written as MURD, how is MOON written in the same code? (a) NPPO (b) OPPN (c) MNNL (d) NOOM
  21. 21.If LION is written as PQKN, how is BOAT written in the same code? (a) DQCV (b) TAOB (c) RYMZ (d) VCQD
  22. 22.If SHIP is written as HSRK, how is GOLD written in the same code? (a) SKNV (b) HPME (c) TLOW (d) UMPX
  23. 23.If CAT is written as TAC, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
  24. 24.If CAT is written as SZB, how is SUN written in the same code? (a) MTR (b) NUS (c) RTM (d) OVT
  25. 25.If GOLD is written as CKNF, how is MOON written in the same code? (a) OPPN (b) LNNM (c) NOOM (d) MNNL
  26. 26.If PARK is written as SDUN, how is MILK written in the same code? (a) QMPO (b) OKNM (c) JFIH (d) PLON
  27. 27.If BOAT is written as TAOB, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
  28. 28.If FROG is written as HTQI, how is PARK written in the same code? (a) RCTM (b) QBSL (c) NYPI (d) SDUN
  29. 29.If STAR is written as RATS, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) TZPU (d) UPZT
  30. 30.If BALL is written as LLAB, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GORF (d) GSPH
  31. 31.If STAR is written as RATS, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) QJIT (d) OHGR
  32. 32.If CAT is written as XZG, how is FISH written in the same code? (a) TQGR (b) GJTI (c) VSIT (d) URHS
  33. 33.If NEST is written as TSEN, how is HAND written in the same code? (a) EOBI (b) IBOE (c) DNAH (d) CMZG
  34. 34.If BOAT is written as UBPC, how is MILK written in the same code? (a) NJML (b) LMJN (c) JKHL (d) KLIM
  35. 35.If LION is written as NOIL, how is BELL written in the same code? (a) KKDA (b) LLEB (c) CFMM (d) MMFC
  36. 36.If KITE is written as ETIK, how is DRUM written in the same code? (a) ESVN (b) MURD (c) NVSE (d) LTQC
  37. 37.If HAND is written as DNAH, how is DRUM written in the same code? (a) ESVN (b) MURD (c) LTQC (d) NVSE
  38. 38.If BELL is written as ZCJJ, how is COLD written in the same code? (a) EQNF (b) AMJB (c) BNKC (d) ZLIA
  39. 39.If JUMP is written as PMUJ, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) ESVN
  40. 40.If DESK is written as JRDC, how is SHIP written in the same code? (a) OHGR (b) RGHO (c) QJIT (d) PIHS

Answer key

  1. YLZG
  2. DSHJ
  3. RATS
  4. GORF
  5. JNNA
  6. FNQI
  7. CFMM
  8. PIHS
  9. TVO
  10. DSHJ
  11. ZYJJ
  12. DNIW
  13. IBOE
  14. VWDU
  15. QZSR
  16. UBPC
  17. FDNH
  18. OVT
  19. NYPI
  20. NOOM
  21. VCQD
  22. TLOW
  23. KOOB
  24. MTR
  25. MNNL
  26. PLON
  27. SYOT
  28. RCTM
  29. SYOT
  30. GORF
  31. PIHS
  32. URHS
  33. DNAH
  34. LMJN
  35. LLEB
  36. MURD
  37. MURD
  38. AMJB
  39. MURD
  40. OHGR

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