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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 272 · 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 LAMP is written as OZNK, how is SUN written in the same code? (a) GEL (b) IGN (c) TVO (d) HFM
  2. 2.If CAT is written as UBD, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
  3. 3.If WIND is written as FPKY, how is TOYS written in the same code? (a) QWMR (b) UAQV (c) SYOT (d) VQAU
  4. 4.If BELL is written as ZCJJ, how is STAR written in the same code? (a) PQXO (b) QRYP (c) UVCT (d) RSZQ
  5. 5.If CAT is written as TAC, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
  6. 6.If FISH is written as GJTI, how is BALL written in the same code? (a) DCNN (b) CBMM (c) MMBC (d) AZKK
  7. 7.If FISH is written as ILVK, how is WIND written in the same code? (a) TFKA (b) ZLQG (c) AMRH (d) YKPF
  8. 8.If DRUM is written as MURD, how is MOON written in the same code? (a) OPPN (b) NOOM (c) MNNL (d) NPPO
  9. 9.If CAKE is written as AYIC, how is DRUM written in the same code? (a) FTWO (b) AORJ (c) BPSK (d) CQTL
  10. 10.If FROG is written as UILT, how is HAND written in the same code? (a) RYLV (b) SZMW (c) IBOE (d) TANX
  11. 11.If SHIP is written as PIHS, how is NEST written in the same code? (a) SRDM (b) UTFO (c) OFTU (d) TSEN
  12. 12.If CAT is written as FDW, how is BOOK written in the same code? (a) FSSO (b) DQQM (c) YLLH (d) ERRN
  13. 13.If BOOK is written as KOOB, how is BALL written in the same code? (a) KKZA (b) CBMM (c) LLAB (d) MMBC
  14. 14.If KITE is written as FUJL, how is CAT written in the same code? (a) TAC (b) UBD (c) SZB (d) DBU
  15. 15.If PARK is written as RCTM, how is STAR written in the same code? (a) QRYP (b) VWDU (c) TUBS (d) UVCT
  16. 16.If SHIP is written as OHGR, how is MOON written in the same code? (a) LNNM (b) NOOM (c) MNNL (d) OPPN
  17. 17.If DESK is written as KSED, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NPPO (d) NOOM
  18. 18.If NEST is written as TSEN, how is FISH written in the same code? (a) GRHE (b) GJTI (c) HSIF (d) ITJG
  19. 19.If BELL is written as NNGD, how is NEST written in the same code? (a) PGUV (b) VUGP (c) TSEN (d) RQCL
  20. 20.If MILK is written as NROP, how is BOOK written in the same code? (a) YLLP (b) ZMMQ (c) XKKO (d) CPPL
  21. 21.If DRUM is written as LTQC, how is DOG written in the same code? (a) CNF (b) FNC (c) HPE (d) GOD
  22. 22.If NEST is written as TSEN, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
  23. 23.If BOAT is written as TAOB, how is LION written in the same code? (a) OPJM (b) MJPO (c) NOIL (d) MNHK
  24. 24.If DOG is written as WLT, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) XZPV (d) YAQW
  25. 25.If MILK is written as NROP, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
  26. 26.If DRUM is written as WIFN, how is DESK written in the same code? (a) XWIQ (b) EFTL (c) VUGO (d) WVHP
  27. 27.If MOON is written as MNNL, how is WIND written in the same code? (a) EOJX (b) VHMC (c) DNIW (d) CMHV
  28. 28.If STAR is written as RATS, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) PIHS (d) TIJQ
  29. 29.If MILK is written as NROP, how is TOYS written in the same code? (a) UPZT (b) FKAG (c) HMCI (d) GLBH
  30. 30.If KITE is written as PRGV, how is TREE written in the same code? (a) FHUU (b) USFF (c) HJWW (d) GIVV
  31. 31.If MILK is written as LMJN, how is WIND written in the same code? (a) CMHV (b) EOJX (c) XJOE (d) DNIW
  32. 32.If STAR is written as HGZI, how is NEST written in the same code? (a) LUGF (b) MVHG (c) OFTU (d) NWIH
  33. 33.If STAR is written as VWDU, how is DRUM written in the same code? (a) HVYQ (b) AORJ (c) FTWO (d) GUXP
  34. 34.If LAMP is written as PMAL, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
  35. 35.If PARK is written as KRAP, how is LION written in the same code? (a) MNHK (b) NOIL (c) MJPO (d) OPJM
  36. 36.If BOAT is written as TAOB, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
  37. 37.If PARK is written as KRAP, how is WIND written in the same code? (a) DNIW (b) EOJX (c) XJOE (d) CMHV
  38. 38.If BELL is written as YVOO, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
  39. 39.If COLD is written as FROG, how is CAKE written in the same code? (a) ZXHB (b) FDNH (c) ECMG (d) GEOI
  40. 40.If FROG is written as IQTH, how is PARK written in the same code? (a) RCTM (b) KRAP (c) IPYN (d) MTCR

Answer key

  1. HFM
  2. HPSG
  3. UAQV
  4. QRYP
  5. EERT
  6. CBMM
  7. ZLQG
  8. NOOM
  9. BPSK
  10. SZMW
  11. TSEN
  12. ERRN
  13. LLAB
  14. UBD
  15. UVCT
  16. MNNL
  17. NOOM
  18. HSIF
  19. VUGP
  20. YLLP
  21. FNC
  22. DNIW
  23. NOIL
  24. XZPV
  25. XLOW
  26. WVHP
  27. CMHV
  28. PIHS
  29. GLBH
  30. GIVV
  31. EOJX
  32. MVHG
  33. GUXP
  34. GORF
  35. NOIL
  36. ETIK
  37. DNIW
  38. HSRK
  39. FDNH
  40. MTCR

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