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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 539 · 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 CAKE is written as ECMG, how is CAT written in the same code? (a) FDW (b) DBU (c) AYR (d) ECV
  2. 2.If DRUM is written as WIFN, how is FROG written in the same code? (a) THKS (b) UILT (c) VJMU (d) GSPH
  3. 3.If DOG is written as WLT, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NJML (d) NROP
  4. 4.If SUN is written as HFM, how is TOYS written in the same code? (a) GLBH (b) FKAG (c) UPZT (d) HMCI
  5. 5.If DOG is written as GOD, how is FROG written in the same code? (a) GSPH (b) FNQE (c) GORF (d) HPSG
  6. 6.If PEN is written as PGR, how is DOG written in the same code? (a) IQF (b) EMB (c) GOD (d) FQI
  7. 7.If WIND is written as FPKY, how is GOLD written in the same code? (a) BJME (b) FNQI (c) IQNF (d) DLOG
  8. 8.If DRUM is written as CQTL, how is BALL written in the same code? (a) ZYJJ (b) AZKK (c) BALL (d) CBMM
  9. 9.If CAKE is written as DJZB, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) QNVK (d) ITLO
  10. 10.If NEST is written as SRDM, how is MILK written in the same code? (a) LMJN (b) LHKJ (c) JKHL (d) KLIM
  11. 11.If JUMP is written as ROWL, how is KITE written in the same code? (a) CRGI (b) MKVG (c) GVKM (d) ETIK
  12. 12.If PEN is written as OFQ, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) LPPC (d) JNNA
  13. 13.If DRUM is written as CQTL, how is FROG written in the same code? (a) FROG (b) DPME (c) EQNF (d) GSPH
  14. 14.If MILK is written as NROP, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) YLLP (d) CPPL
  15. 15.If TOYS is written as GLBH, how is JUMP written in the same code? (a) KVNQ (b) QFNK (c) PEMJ (d) RGOL
  16. 16.If PARK is written as KRAP, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
  17. 17.If FISH is written as DGQF, how is KITE written in the same code? (a) JHSD (b) MKVG (c) HFQB (d) IGRC
  18. 18.If GOLD is written as JROG, how is SUN written in the same code? (a) UWP (b) VXQ (c) WYR (d) PRK
  19. 19.If LAMP is written as OZNK, how is TREE written in the same code? (a) FHUU (b) HJWW (c) USFF (d) GIVV
  20. 20.If BALL is written as CBMM, how is DOG written in the same code? (a) FQI (b) HPE (c) CNF (d) EPH
  21. 21.If HAND is written as DNAH, how is FROG written in the same code? (a) HPSG (b) GSPH (c) FNQE (d) GORF
  22. 22.If SUN is written as HFM, how is FROG written in the same code? (a) UILT (b) THKS (c) VJMU (d) GSPH
  23. 23.If BOAT is written as YLZG, how is CAT written in the same code? (a) XZG (b) WYF (c) DBU (d) YAH
  24. 24.If HAND is written as SZMW, how is FROG written in the same code? (a) GSPH (b) VJMU (c) THKS (d) UILT
  25. 25.If CAT is written as BZS, how is COLD written in the same code? (a) BNKC (b) DPME (c) COLD (d) AMJB
  26. 26.If BOOK is written as ZMMI, how is BALL written in the same code? (a) AZKK (b) ZYJJ (c) DCNN (d) YXII
  27. 27.If WIND is written as DRMW, how is LION written in the same code? (a) PSMN (b) NQKL (c) MJPO (d) ORLM
  28. 28.If KITE is written as MKVG, how is FROG written in the same code? (a) IURJ (b) DPME (c) GSPH (d) HTQI
  29. 29.If BALL is written as NNCD, how is BOOK written in the same code? (a) IMMZ (b) DQQM (c) KOOB (d) MQQD
  30. 30.If SHIP is written as TIJQ, how is STAR written in the same code? (a) UVCT (b) TUBS (c) SBUT (d) RSZQ
  31. 31.If MILK is written as LMJN, how is TREE written in the same code? (a) EERT (b) DDQS (c) USFF (d) FFSU
  32. 32.If DOG is written as WLT, how is BOAT written in the same code? (a) ZMAH (b) YLZG (c) CPBU (d) XKYF
  33. 33.If BOOK is written as KOOB, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
  34. 34.If KITE is written as DSHJ, how is BELL written in the same code? (a) LLEB (b) ADKK (c) KKDA (d) MMFC
  35. 35.If GOLD is written as DLOG, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
  36. 36.If BOOK is written as YLLP, how is CAT written in the same code? (a) YAH (b) WYF (c) DBU (d) XZG
  37. 37.If MILK is written as KLIM, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) SBJO (d) NIAR
  38. 38.If CAKE is written as AYIC, how is SUN written in the same code? (a) UWP (b) PRK (c) QSL (d) RTM
  39. 39.If JUMP is written as QFNK, how is DOG written in the same code? (a) EPH (b) WLT (c) XMU (d) VKS
  40. 40.If PEN is written as SHQ, how is MILK written in the same code? (a) QMPO (b) PLON (c) JFIH (d) OKNM

Answer key

  1. ECV
  2. UILT
  3. NROP
  4. GLBH
  5. GORF
  6. IQF
  7. FNQI
  8. AZKK
  9. OLTI
  10. JKHL
  11. GVKM
  12. LPPC
  13. EQNF
  14. YLLP
  15. QFNK
  16. ETIK
  17. IGRC
  18. VXQ
  19. GIVV
  20. EPH
  21. GORF
  22. UILT
  23. XZG
  24. UILT
  25. BNKC
  26. ZYJJ
  27. ORLM
  28. HTQI
  29. MQQD
  30. TUBS
  31. FFSU
  32. YLZG
  33. GOD
  34. KKDA
  35. NUS
  36. XZG
  37. NIAR
  38. QSL
  39. WLT
  40. PLON

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