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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 564 · 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 FROG is written as IURJ, how is BALL written in the same code? (a) YXII (b) EDOO (c) DCNN (d) FEPP
  2. 2.If STAR is written as QZSR, how is CAT written in the same code? (a) BZS (b) SZB (c) TAC (d) UBD
  3. 3.If SUN is written as TVO, how is DESK written in the same code? (a) FGUM (b) EFTL (c) LTFE (d) CDRJ
  4. 4.If BELL is written as LLEB, how is TREE written in the same code? (a) DDQS (b) EERT (c) FFSU (d) USFF
  5. 5.If PEN is written as NEP, how is SUN written in the same code? (a) OVT (b) NUS (c) TVO (d) MTR
  6. 6.If DOG is written as BME, how is BOAT written in the same code? (a) YLXQ (b) ANZS (c) ZMYR (d) DQCV
  7. 7.If BELL is written as LLEB, how is DESK written in the same code? (a) KSED (b) LTFE (c) JRDC (d) EFTL
  8. 8.If FROG is written as UILT, how is GOLD written in the same code? (a) UMPX (b) HPME (c) TLOW (d) SKNV
  9. 9.If KITE is written as PRGV, how is STAR written in the same code? (a) GFYH (b) TUBS (c) HGZI (d) IHAJ
  10. 10.If TREE is written as VTGG, how is BALL written in the same code? (a) DCNN (b) ZYJJ (c) EDOO (d) CBMM
  11. 11.If STAR is written as HGZI, how is LION written in the same code? (a) PSMN (b) NQKL (c) MJPO (d) ORLM
  12. 12.If PEN is written as QFO, how is CAT written in the same code? (a) BZS (b) UBD (c) DBU (d) ECV
  13. 13.If PEN is written as KVM, how is BOOK written in the same code? (a) YLLP (b) ZMMQ (c) CPPL (d) XKKO
  14. 14.If MILK is written as LMJN, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
  15. 15.If HAND is written as CMZG, how is SUN written in the same code? (a) MTR (b) NUS (c) RTM (d) OVT
  16. 16.If TREE is written as GIVV, how is SUN written in the same code? (a) HFM (b) IGN (c) TVO (d) GEL
  17. 17.If DRUM is written as MURD, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) DJZB (d) EKAC
  18. 18.If PARK is written as KRAP, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) HPME
  19. 19.If LION is written as ORLM, how is PARK written in the same code? (a) LAJQ (b) JYHO (c) KZIP (d) QBSL
  20. 20.If BOOK is written as YLLP, how is BELL written in the same code? (a) YVOO (b) ZWPP (c) CFMM (d) XUNN
  21. 21.If WIND is written as CMHV, how is DESK written in the same code? (a) KSED (b) LTFE (c) CDRJ (d) JRDC
  22. 22.If TREE is written as USFF, how is DRUM written in the same code? (a) ESVN (b) CQTL (c) NVSE (d) FTWO
  23. 23.If WIND is written as CMHV, how is FROG written in the same code? (a) EQNF (b) HPSG (c) GORF (d) FNQE
  24. 24.If MILK is written as KLIM, how is BELL written in the same code? (a) LLEB (b) KKDA (c) CFMM (d) MMFC
  25. 25.If MILK is written as JKHL, how is PEN written in the same code? (a) ODM (b) OFQ (c) NEP (d) MDO
  26. 26.If JUMP is written as PMUJ, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
  27. 27.If CAKE is written as XZPV, how is FROG written in the same code? (a) GSPH (b) THKS (c) VJMU (d) UILT
  28. 28.If KITE is written as MKVG, how is LAMP written in the same code? (a) JYKN (b) NCOR (c) MBNQ (d) ODPS
  29. 29.If WIND is written as CMHV, how is DRUM written in the same code? (a) MURD (b) NVSE (c) CQTL (d) LTQC
  30. 30.If MOON is written as PQQO, how is LION written in the same code? (a) NOIL (b) NKQP (c) LMGJ (d) PQKN
  31. 31.If CAT is written as TAC, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
  32. 32.If NEST is written as QHVW, how is COLD written in the same code? (a) ZLIA (b) GSPH (c) EQNF (d) FROG
  33. 33.If FISH is written as HSIF, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
  34. 34.If MOON is written as PQQO, how is KITE written in the same code? (a) GVKM (b) ETIK (c) MKVG (d) CRGI
  35. 35.If COLD is written as XLOW, how is FROG written in the same code? (a) GSPH (b) THKS (c) VJMU (d) UILT
  36. 36.If COLD is written as CKNB, how is DRUM written in the same code? (a) CQTL (b) NVSE (c) LTQC (d) MURD
  37. 37.If SHIP is written as HSRK, how is NEST written in the same code? (a) OFTU (b) LUGF (c) NWIH (d) MVHG
  38. 38.If LAMP is written as QNBM, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
  39. 39.If BOOK is written as ZMMI, how is DRUM written in the same code? (a) AORJ (b) FTWO (c) BPSK (d) CQTL
  40. 40.If PEN is written as OFQ, how is HAND written in the same code? (a) IBOE (b) DNAH (c) EOBI (d) CMZG

Answer key

  1. EDOO
  2. SZB
  3. EFTL
  4. EERT
  5. NUS
  6. ZMYR
  7. KSED
  8. TLOW
  9. HGZI
  10. DCNN
  11. ORLM
  12. DBU
  13. YLLP
  14. ITJG
  15. MTR
  16. HFM
  17. EKAC
  18. DLOG
  19. KZIP
  20. YVOO
  21. JRDC
  22. ESVN
  23. FNQE
  24. LLEB
  25. MDO
  26. EERT
  27. UILT
  28. NCOR
  29. LTQC
  30. PQKN
  31. LLAB
  32. FROG
  33. NEP
  34. GVKM
  35. UILT
  36. LTQC
  37. MVHG
  38. FFSU
  39. BPSK
  40. EOBI

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