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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 141 · 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 NEST is written as MVHG, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
  2. 2.If TREE is written as GIVV, how is PARK written in the same code? (a) QBSL (b) KZIP (c) JYHO (d) LAJQ
  3. 3.If BALL is written as LLAB, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) TZPU (d) RXNS
  4. 4.If DRUM is written as WIFN, how is PEN written in the same code? (a) KVM (b) QFO (c) LWN (d) JUL
  5. 5.If SUN is written as MTR, how is COLD written in the same code? (a) CKNB (b) BNKC (c) EMPD (d) DLOC
  6. 6.If BELL is written as EHOO, how is SUN written in the same code? (a) VXQ (b) WYR (c) PRK (d) UWP
  7. 7.If JUMP is written as PMUJ, how is CAT written in the same code? (a) SZB (b) DBU (c) UBD (d) TAC
  8. 8.If DOG is written as FNC, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) SQDD
  9. 9.If STAR is written as SBUT, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
  10. 10.If CAKE is written as EKAC, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
  11. 11.If PARK is written as KRAP, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) USFF
  12. 12.If CAKE is written as EKAC, how is NEST written in the same code? (a) OFTU (b) TSEN (c) UTFO (d) SRDM
  13. 13.If FISH is written as GJTI, how is TREE written in the same code? (a) FFSU (b) USFF (c) VTGG (d) SQDD
  14. 14.If FISH is written as ILVK, how is PARK written in the same code? (a) RCTM (b) MXOH (c) SDUN (d) TEVO
  15. 15.If PEN is written as KVM, how is LION written in the same code? (a) MJPO (b) PSMN (c) ORLM (d) NQKL
  16. 16.If MILK is written as OKNM, how is COLD written in the same code? (a) AMJB (b) EQNF (c) FROG (d) DPME
  17. 17.If MILK is written as KGJI, how is DOG written in the same code? (a) ALD (b) FQI (c) CNF (d) BME
  18. 18.If FISH is written as ILVK, how is DOG written in the same code? (a) HSK (b) ALD (c) FQI (d) GRJ
  19. 19.If CAKE is written as EKAC, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
  20. 20.If FROG is written as GORF, how is FISH written in the same code? (a) HSIF (b) GJTI (c) GRHE (d) ITJG
  21. 21.If TOYS is written as GLBH, how is CAT written in the same code? (a) DBU (b) YAH (c) XZG (d) WYF
  22. 22.If BOAT is written as ERDW, how is JUMP written in the same code? (a) MXPS (b) LWOR (c) NYQT (d) GRJM
  23. 23.If NEST is written as MVHG, how is FROG written in the same code? (a) THKS (b) VJMU (c) UILT (d) GSPH
  24. 24.If GOLD is written as TLOW, how is FROG written in the same code? (a) GSPH (b) UILT (c) VJMU (d) THKS
  25. 25.If GOLD is written as FNKC, how is COLD written in the same code? (a) BNKC (b) AMJB (c) COLD (d) DPME
  26. 26.If TREE is written as FFSU, how is SUN written in the same code? (a) NUS (b) TVO (c) OVT (d) MTR
  27. 27.If CAT is written as DBU, how is MILK written in the same code? (a) NJML (b) LHKJ (c) OKNM (d) LMJN
  28. 28.If FROG is written as UILT, how is GOLD written in the same code? (a) HPME (b) UMPX (c) SKNV (d) TLOW
  29. 29.If KITE is written as ETIK, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
  30. 30.If SUN is written as NUS, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
  31. 31.If LAMP is written as OZNK, how is STAR written in the same code? (a) TUBS (b) GFYH (c) IHAJ (d) HGZI
  32. 32.If FROG is written as IQTH, how is BALL written in the same code? (a) LLAB (b) JJYZ (c) NNCD (d) DCNN
  33. 33.If NEST is written as MVHG, how is CAT written in the same code? (a) WYF (b) XZG (c) YAH (d) DBU
  34. 34.If BOOK is written as KOOB, how is HAND written in the same code? (a) EOBI (b) IBOE (c) DNAH (d) CMZG
  35. 35.If BOOK is written as KOOB, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
  36. 36.If TREE is written as VTGG, how is SHIP written in the same code? (a) QFGN (b) TIJQ (c) UJKR (d) VKLS
  37. 37.If BALL is written as YZOO, how is FROG written in the same code? (a) UILT (b) THKS (c) VJMU (d) GSPH
  38. 38.If COLD is written as AMJB, how is DRUM written in the same code? (a) AORJ (b) CQTL (c) FTWO (d) BPSK
  39. 39.If BOOK is written as KOOB, how is FISH written in the same code? (a) GJTI (b) HSIF (c) ITJG (d) GRHE
  40. 40.If BOOK is written as DQQM, how is DOG written in the same code? (a) EPH (b) GRJ (c) BME (d) FQI

Answer key

  1. HFM
  2. KZIP
  3. SYOT
  4. KVM
  5. CKNB
  6. VXQ
  7. TAC
  8. DDQS
  9. LSBQ
  10. EERT
  11. EERT
  12. TSEN
  13. USFF
  14. SDUN
  15. ORLM
  16. EQNF
  17. BME
  18. GRJ
  19. SYOT
  20. HSIF
  21. XZG
  22. MXPS
  23. UILT
  24. UILT
  25. BNKC
  26. OVT
  27. NJML
  28. TLOW
  29. KRAP
  30. LLEB
  31. HGZI
  32. NNCD
  33. XZG
  34. DNAH
  35. SYOT
  36. UJKR
  37. UILT
  38. BPSK
  39. HSIF
  40. FQI

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