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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 678 · 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 TREE is written as SQDD, how is SUN written in the same code? (a) TVO (b) RTM (c) SUN (d) QSL
  2. 2.If MILK is written as OKNM, how is KITE written in the same code? (a) MKVG (b) IGRC (c) LJUF (d) NLWH
  3. 3.If SHIP is written as UJKR, how is TOYS written in the same code? (a) RMWQ (b) UPZT (c) WRBV (d) VQAU
  4. 4.If BOOK is written as MQQD, how is PEN written in the same code? (a) NEP (b) RGP (c) LCN (d) PGR
  5. 5.If SHIP is written as QJIT, how is LION written in the same code? (a) OPJM (b) MJPO (c) MNHK (d) NOIL
  6. 6.If BELL is written as KKDA, how is SHIP written in the same code? (a) RGHO (b) OHGR (c) QJIT (d) PIHS
  7. 7.If MOON is written as NLLM, how is NEST written in the same code? (a) MVHG (b) NWIH (c) OFTU (d) LUGF
  8. 8.If SUN is written as HFM, how is LION written in the same code? (a) MJPO (b) NQKL (c) PSMN (d) ORLM
  9. 9.If JUMP is written as QFNK, how is SHIP written in the same code? (a) HSRK (b) TIJQ (c) ITSL (d) GRQJ
  10. 10.If BOAT is written as ANZS, how is PEN written in the same code? (a) ODM (b) PEN (c) QFO (d) NCL
  11. 11.If SUN is written as HFM, how is PEN written in the same code? (a) LWN (b) QFO (c) JUL (d) KVM
  12. 12.If MILK is written as LMJN, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) FLBD (d) DJZB
  13. 13.If JUMP is written as QFNK, how is FROG written in the same code? (a) GSPH (b) UILT (c) VJMU (d) THKS
  14. 14.If MILK is written as NROP, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) XYNN (d) CBMM
  15. 15.If BOOK is written as ERRN, how is MILK written in the same code? (a) QMPO (b) OKNM (c) PLON (d) JFIH
  16. 16.If KITE is written as FUJL, how is DOG written in the same code? (a) GOD (b) EPH (c) FNC (d) HPE
  17. 17.If CAT is written as ECV, how is BOAT written in the same code? (a) DQCV (b) CPBU (c) ERDW (d) ZMYR
  18. 18.If CAKE is written as DBLF, how is HAND written in the same code? (a) JCPF (b) EOBI (c) GZMC (d) IBOE
  19. 19.If MILK is written as KLIM, how is FROG written in the same code? (a) GORF (b) HPSG (c) FNQE (d) GSPH
  20. 20.If FISH is written as EHRG, how is PEN written in the same code? (a) QFO (b) ODM (c) NCL (d) PEN
  21. 21.If GOLD is written as DLOG, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) ESVN
  22. 22.If DOG is written as HPE, how is CAT written in the same code? (a) UBD (b) DBU (c) SZB (d) TAC
  23. 23.If FROG is written as HTQI, how is PARK written in the same code? (a) QBSL (b) NYPI (c) RCTM (d) SDUN
  24. 24.If CAT is written as TAC, how is COLD written in the same code? (a) CKNB (b) DPME (c) DLOC (d) EMPD
  25. 25.If SHIP is written as OHGR, how is STAR written in the same code? (a) QZSR (b) SBUT (c) RATS (d) RSZQ
  26. 26.If SHIP is written as RKJU, how is LION written in the same code? (a) LMGJ (b) PQKN (c) NKQP (d) NOIL
  27. 27.If NEST is written as SRDM, how is KITE written in the same code? (a) JHSD (b) FUJL (c) DSHJ (d) ETIK
  28. 28.If BALL is written as AZKK, how is SUN written in the same code? (a) RTM (b) SUN (c) QSL (d) TVO
  29. 29.If TREE is written as EERT, how is STAR written in the same code? (a) SBUT (b) RATS (c) QZSR (d) TUBS
  30. 30.If STAR is written as RATS, how is KITE written in the same code? (a) ETIK (b) FUJL (c) DSHJ (d) LJUF
  31. 31.If JUMP is written as QNVK, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) TIJQ
  32. 32.If HAND is written as SZMW, how is SHIP written in the same code? (a) TIJQ (b) GRQJ (c) ITSL (d) HSRK
  33. 33.If STAR is written as SBUT, how is MOON written in the same code? (a) NPPO (b) MNNL (c) NOOM (d) OPPN
  34. 34.If RAIN is written as IZRM, how is STAR written in the same code? (a) IHAJ (b) TUBS (c) HGZI (d) GFYH
  35. 35.If BALL is written as CBMM, how is PEN written in the same code? (a) OFQ (b) QFO (c) RGP (d) ODM
  36. 36.If COLD is written as CKNB, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) QZHM (d) MHZQ
  37. 37.If COLD is written as DLOC, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
  38. 38.If COLD is written as AMJB, how is KITE written in the same code? (a) MKVG (b) IGRC (c) HFQB (d) JHSD
  39. 39.If SUN is written as NUS, how is BELL written in the same code? (a) LLEB (b) MMFC (c) KKDA (d) CFMM
  40. 40.If STAR is written as RATS, how is MOON written in the same code? (a) NOOM (b) NPPO (c) MNNL (d) OPPN

Answer key

  1. RTM
  2. MKVG
  3. VQAU
  4. PGR
  5. OPJM
  6. OHGR
  7. MVHG
  8. ORLM
  9. HSRK
  10. ODM
  11. KVM
  12. FLBD
  13. UILT
  14. YZOO
  15. PLON
  16. HPE
  17. DQCV
  18. IBOE
  19. GORF
  20. ODM
  21. MURD
  22. UBD
  23. RCTM
  24. DLOC
  25. QZSR
  26. PQKN
  27. DSHJ
  28. RTM
  29. RATS
  30. ETIK
  31. QJIT
  32. HSRK
  33. OPPN
  34. HGZI
  35. QFO
  36. MHZQ
  37. KRAP
  38. IGRC
  39. LLEB
  40. NOOM

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