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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 16 · 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 GOLD is written as IQNF, how is DRUM written in the same code? (a) ESVN (b) GUXP (c) BPSK (d) FTWO
  2. 2.If CAT is written as TAC, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) LJUF (d) ETIK
  3. 3.If PARK is written as SDUN, how is DOG written in the same code? (a) HSK (b) GRJ (c) ALD (d) FQI
  4. 4.If SUN is written as NUS, how is MILK written in the same code? (a) NJML (b) KLIM (c) LMJN (d) JKHL
  5. 5.If DOG is written as CNF, how is COLD written in the same code? (a) COLD (b) AMJB (c) BNKC (d) DPME
  6. 6.If DESK is written as FGUM, how is COLD written in the same code? (a) FROG (b) DPME (c) AMJB (d) EQNF
  7. 7.If PARK is written as MTCR, how is DOG written in the same code? (a) GOD (b) FQI (c) EMB (d) IQF
  8. 8.If HAND is written as IBOE, how is DRUM written in the same code? (a) NVSE (b) FTWO (c) ESVN (d) CQTL
  9. 9.If BOAT is written as TAOB, how is WIND written in the same code? (a) DNIW (b) CMHV (c) XJOE (d) EOJX
  10. 10.If CAKE is written as BZJD, how is LION written in the same code? (a) LION (b) KHNM (c) JGML (d) MJPO
  11. 11.If DESK is written as WVHP, how is LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
  12. 12.If PEN is written as QFO, how is PARK written in the same code? (a) RCTM (b) OZQJ (c) LSBQ (d) QBSL
  13. 13.If PEN is written as PGR, how is KITE written in the same code? (a) MKVG (b) ETIK (c) CRGI (d) GVKM
  14. 14.If JUMP is written as LWOR, how is CAT written in the same code? (a) FDW (b) DBU (c) AYR (d) ECV
  15. 15.If SUN is written as HFM, how is KITE written in the same code? (a) OQFU (b) PRGV (c) LJUF (d) QSHW
  16. 16.If DESK is written as KSED, how is LION written in the same code? (a) NOIL (b) MNHK (c) MJPO (d) OPJM
  17. 17.If MILK is written as KLIM, how is PEN written in the same code? (a) MDO (b) QFO (c) OFQ (d) NEP
  18. 18.If PARK is written as LSBQ, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
  19. 19.If KITE is written as ETIK, how is COLD written in the same code? (a) DLOC (b) DPME (c) CKNB (d) EMPD
  20. 20.If NEST is written as VUGP, how is DRUM written in the same code? (a) KSPB (b) FTWO (c) MURD (d) OWTF
  21. 21.If BELL is written as ADKK, how is LION written in the same code? (a) LION (b) KHNM (c) JGML (d) MJPO
  22. 22.If DOG is written as HPE, how is PARK written in the same code? (a) QBSL (b) JQZO (c) KRAP (d) LSBQ
  23. 23.If BOAT is written as DQCV, how is TREE written in the same code? (a) RPCC (b) WUHH (c) USFF (d) VTGG
  24. 24.If DRUM is written as ESVN, how is NEST written in the same code? (a) UTFO (b) MDRS (c) OFTU (d) PGUV
  25. 25.If BOAT is written as TAOB, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
  26. 26.If CAT is written as TAC, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
  27. 27.If PEN is written as NEP, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
  28. 28.If BELL is written as MMFC, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
  29. 29.If SUN is written as NUS, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
  30. 30.If MILK is written as JKHL, how is BELL written in the same code? (a) ADKK (b) LLEB (c) MMFC (d) KKDA
  31. 31.If MOON is written as KMML, how is SHIP written in the same code? (a) UJKR (b) PEFM (c) QFGN (d) RGHO
  32. 32.If PEN is written as NEP, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) FLBD (d) EKAC
  33. 33.If KITE is written as GVKM, how is BOOK written in the same code? (a) KOOB (b) MQQD (c) DQQM (d) IMMZ
  34. 34.If TOYS is written as GLBH, how is TREE written in the same code? (a) FHUU (b) HJWW (c) USFF (d) GIVV
  35. 35.If PARK is written as KRAP, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) MBNQ (d) QNBM
  36. 36.If FISH is written as EHRG, how is STAR written in the same code? (a) TUBS (b) RSZQ (c) QRYP (d) STAR
  37. 37.If SUN is written as OVT, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) QFO
  38. 38.If BALL is written as MMBC, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) GJTI
  39. 39.If BALL is written as DCNN, how is COLD written in the same code? (a) DPME (b) AMJB (c) FROG (d) EQNF
  40. 40.If LION is written as ORLM, how is KITE written in the same code? (a) PRGV (b) LJUF (c) QSHW (d) OQFU

Answer key

  1. FTWO
  2. ETIK
  3. GRJ
  4. KLIM
  5. BNKC
  6. EQNF
  7. IQF
  8. ESVN
  9. DNIW
  10. KHNM
  11. ORLM
  12. QBSL
  13. GVKM
  14. ECV
  15. PRGV
  16. NOIL
  17. NEP
  18. UTFO
  19. DLOC
  20. OWTF
  21. KHNM
  22. LSBQ
  23. VTGG
  24. OFTU
  25. LLEB
  26. DNAH
  27. EERT
  28. ITJG
  29. RATS
  30. KKDA
  31. QFGN
  32. EKAC
  33. MQQD
  34. GIVV
  35. PMAL
  36. RSZQ
  37. OFQ
  38. ITJG
  39. EQNF
  40. PRGV

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