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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 153 · 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 DOG is written as IQF, how is PEN written in the same code? (a) RGP (b) NEP (c) LCN (d) PGR
  2. 2.If LAMP is written as OZNK, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
  3. 3.If HAND is written as SZMW, how is TOYS written in the same code? (a) UPZT (b) GLBH (c) HMCI (d) FKAG
  4. 4.If TOYS is written as SNXR, how is FROG written in the same code? (a) DPME (b) EQNF (c) FROG (d) GSPH
  5. 5.If BALL is written as ZYJJ, how is NEST written in the same code? (a) KBPQ (b) LCQR (c) MDRS (d) PGUV
  6. 6.If TOYS is written as TZPU, how is CAT written in the same code? (a) DBU (b) TAC (c) SZB (d) UBD
  7. 7.If FROG is written as IQTH, how is DRUM written in the same code? (a) KSPB (b) OWTF (c) MURD (d) FTWO
  8. 8.If HAND is written as EOBI, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
  9. 9.If NEST is written as UTFO, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) TAOB (d) UBPC
  10. 10.If FROG is written as IURJ, how is NEST written in the same code? (a) KBPQ (b) RIWX (c) PGUV (d) QHVW
  11. 11.If LAMP is written as QNBM, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
  12. 12.If CAKE is written as BZJD, how is FISH written in the same code? (a) DGQF (b) EHRG (c) GJTI (d) FISH
  13. 13.If PEN is written as PGR, how is HAND written in the same code? (a) BLYF (b) JCPF (c) DNAH (d) FPCJ
  14. 14.If TREE is written as FFSU, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
  15. 15.If TREE is written as SQDD, how is LION written in the same code? (a) LION (b) MJPO (c) JGML (d) KHNM
  16. 16.If MILK is written as NROP, how is JUMP written in the same code? (a) QFNK (b) KVNQ (c) PEMJ (d) RGOL
  17. 17.If DOG is written as CNF, how is FISH written in the same code? (a) GJTI (b) EHRG (c) FISH (d) DGQF
  18. 18.If MILK is written as NJML, how is DRUM written in the same code? (a) CQTL (b) FTWO (c) NVSE (d) ESVN
  19. 19.If CAKE is written as DBLF, how is TREE written in the same code? (a) VTGG (b) SQDD (c) FFSU (d) USFF
  20. 20.If FROG is written as EQNF, how is BOAT written in the same code? (a) BOAT (b) ANZS (c) CPBU (d) ZMYR
  21. 21.If SHIP is written as RKJU, how is LAMP written in the same code? (a) PMAL (b) NCOR (c) ROCN (d) NKYJ
  22. 22.If GOLD is written as FNQI, how is DRUM written in the same code? (a) FTWO (b) OWTF (c) KSPB (d) MURD
  23. 23.If DOG is written as HPE, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) JNNA (d) LPPC
  24. 24.If NEST is written as MVHG, how is RAIN written in the same code? (a) HYQL (b) JASN (c) IZRM (d) SBJO
  25. 25.If COLD is written as BNKC, how is NEST written in the same code? (a) OFTU (b) MDRS (c) LCQR (d) NEST
  26. 26.If KITE is written as ETIK, how is HAND written in the same code? (a) EOBI (b) IBOE (c) DNAH (d) CMZG
  27. 27.If KITE is written as NLWH, how is MILK written in the same code? (a) QMPO (b) JFIH (c) PLON (d) OKNM
  28. 28.If TREE is written as GIVV, how is SUN written in the same code? (a) TVO (b) GEL (c) HFM (d) IGN
  29. 29.If LAMP is written as PMAL, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
  30. 30.If JUMP is written as ROWL, how is DOG written in the same code? (a) GOD (b) IQF (c) FQI (d) EMB
  31. 31.If FROG is written as HPSG, how is MILK written in the same code? (a) KLIM (b) NJML (c) JKHL (d) LMJN
  32. 32.If SUN is written as HFM, how is DOG written in the same code? (a) VKS (b) EPH (c) WLT (d) XMU
  33. 33.If RAIN is written as OJBS, how is HAND written in the same code? (a) DNAH (b) IBOE (c) CMZG (d) EOBI
  34. 34.If LION is written as NKQP, how is MILK written in the same code? (a) OKNM (b) NJML (c) KGJI (d) PLON
  35. 35.If KITE is written as NLWH, how is TREE written in the same code? (a) WUHH (b) QOBB (c) VTGG (d) XVII
  36. 36.If SHIP is written as PIHS, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
  37. 37.If DOG is written as EPH, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) GJTI (d) ITJG
  38. 38.If RAIN is written as OJBS, how is DOG written in the same code? (a) FNC (b) EPH (c) HPE (d) GOD
  39. 39.If LAMP is written as PMAL, how is HAND written in the same code? (a) EOBI (b) IBOE (c) DNAH (d) CMZG
  40. 40.If SHIP is written as RGHO, how is CAKE written in the same code? (a) DBLF (b) BZJD (c) AYIC (d) CAKE

Answer key

  1. PGR
  2. URHS
  3. GLBH
  4. EQNF
  5. LCQR
  6. UBD
  7. OWTF
  8. MMFC
  9. UBPC
  10. QHVW
  11. EOBI
  12. EHRG
  13. FPCJ
  14. MMFC
  15. KHNM
  16. QFNK
  17. EHRG
  18. ESVN
  19. USFF
  20. ANZS
  21. ROCN
  22. OWTF
  23. LPPC
  24. IZRM
  25. MDRS
  26. DNAH
  27. PLON
  28. HFM
  29. KLIM
  30. IQF
  31. LMJN
  32. WLT
  33. EOBI
  34. OKNM
  35. WUHH
  36. PMAL
  37. GJTI
  38. HPE
  39. DNAH
  40. BZJD

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