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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 421 · 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 BOAT is written as YLZG, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
  2. 2.If DRUM is written as MURD, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
  3. 3.If DOG is written as IQF, how is MILK written in the same code? (a) KLIM (b) IJGK (c) OKNM (d) MNKO
  4. 4.If BALL is written as CBMM, how is PARK written in the same code? (a) QBSL (b) OZQJ (c) LSBQ (d) RCTM
  5. 5.If SHIP is written as TIJQ, how is BELL written in the same code? (a) MMFC (b) CFMM (c) ADKK (d) DGNN
  6. 6.If PARK is written as KRAP, how is BELL written in the same code? (a) KKDA (b) LLEB (c) CFMM (d) MMFC
  7. 7.If RAIN is written as IZRM, how is MILK written in the same code? (a) OSPQ (b) NJML (c) NROP (d) MQNO
  8. 8.If SHIP is written as HSRK, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NROP (d) NJML
  9. 9.If BOAT is written as TAOB, how is WIND written in the same code? (a) XJOE (b) EOJX (c) CMHV (d) DNIW
  10. 10.If PARK is written as KZIP, how is LION written in the same code? (a) PSMN (b) ORLM (c) NQKL (d) MJPO
  11. 11.If STAR is written as QZSR, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) QZHM (d) OJBS
  12. 12.If FROG is written as GORF, how is FISH written in the same code? (a) GRHE (b) GJTI (c) HSIF (d) ITJG
  13. 13.If MOON is written as NLLM, how is PEN written in the same code? (a) JUL (b) QFO (c) LWN (d) KVM
  14. 14.If FISH is written as ITJG, how is PARK written in the same code? (a) KRAP (b) QBSL (c) LSBQ (d) JQZO
  15. 15.If PEN is written as NEP, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) TIJQ
  16. 16.If FISH is written as HSIF, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
  17. 17.If RAIN is written as OJBS, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) QNVK (d) PMUJ
  18. 18.If PEN is written as NEP, how is FISH written in the same code? (a) HSIF (b) GRHE (c) ITJG (d) GJTI
  19. 19.If CAT is written as XZG, how is LION written in the same code? (a) MJPO (b) NQKL (c) PSMN (d) ORLM
  20. 20.If DESK is written as WVHP, how is LAMP written in the same code? (a) MBNQ (b) PAOL (c) OZNK (d) NYMJ
  21. 21.If BOAT is written as SZNA, how is CAKE written in the same code? (a) BZJD (b) EKAC (c) FLBD (d) DJZB
  22. 22.If COLD is written as XLOW, how is SUN written in the same code? (a) HFM (b) TVO (c) GEL (d) IGN
  23. 23.If DOG is written as IQF, how is DESK written in the same code? (a) FGUM (b) IQCB (c) MUGF (d) KSED
  24. 24.If MOON is written as LNNM, how is FISH written in the same code? (a) FISH (b) DGQF (c) GJTI (d) EHRG
  25. 25.If SHIP is written as HSRK, how is FISH written in the same code? (a) GJTI (b) VSIT (c) URHS (d) TQGR
  26. 26.If BOOK is written as MQQD, how is COLD written in the same code? (a) BJMA (b) DLOC (c) EQNF (d) FNQE
  27. 27.If PEN is written as RGP, how is BOOK written in the same code? (a) ZMMI (b) DQQM (c) CPPL (d) ERRN
  28. 28.If BELL is written as YVOO, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
  29. 29.If RAIN is written as IZRM, how is LION written in the same code? (a) NQKL (b) PSMN (c) MJPO (d) ORLM
  30. 30.If TOYS is written as SNXR, how is BALL written in the same code? (a) AZKK (b) BALL (c) ZYJJ (d) CBMM
  31. 31.If FROG is written as UILT, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
  32. 32.If SUN is written as QSL, how is KITE written in the same code? (a) MKVG (b) JHSD (c) HFQB (d) IGRC
  33. 33.If CAKE is written as BZJD, how is CAT written in the same code? (a) BZS (b) CAT (c) DBU (d) AYR
  34. 34.If BOAT is written as SZNA, how is BALL written in the same code? (a) MMBC (b) KKZA (c) AZKK (d) LLAB
  35. 35.If SHIP is written as QFGN, how is CAKE written in the same code? (a) ECMG (b) ZXHB (c) BZJD (d) AYIC
  36. 36.If LAMP is written as QNBM, how is FISH written in the same code? (a) HSIF (b) GRHE (c) GJTI (d) ITJG
  37. 37.If MILK is written as JKHL, how is FROG written in the same code? (a) GORF (b) HPSG (c) FNQE (d) EQNF
  38. 38.If WIND is written as DRMW, how is FROG written in the same code? (a) GSPH (b) UILT (c) THKS (d) VJMU
  39. 39.If NEST is written as MVHG, how is HAND written in the same code? (a) IBOE (b) RYLV (c) TANX (d) SZMW
  40. 40.If SHIP is written as HSRK, how is HAND written in the same code? (a) RYLV (b) TANX (c) IBOE (d) SZMW

Answer key

  1. UILT
  2. ETIK
  3. MNKO
  4. QBSL
  5. CFMM
  6. LLEB
  7. NROP
  8. NROP
  9. DNIW
  10. ORLM
  11. MHZQ
  12. HSIF
  13. KVM
  14. LSBQ
  15. PIHS
  16. NUS
  17. QNVK
  18. HSIF
  19. ORLM
  20. OZNK
  21. DJZB
  22. HFM
  23. MUGF
  24. EHRG
  25. URHS
  26. FNQE
  27. DQQM
  28. HSRK
  29. ORLM
  30. AZKK
  31. XZG
  32. IGRC
  33. BZS
  34. KKZA
  35. AYIC
  36. ITJG
  37. FNQE
  38. UILT
  39. SZMW
  40. SZMW

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