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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 127 · 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 BOOK is written as KOOB, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
  2. 2.If TREE is written as USFF, how is BOAT written in the same code? (a) CPBU (b) ANZS (c) UBPC (d) DQCV
  3. 3.If KITE is written as PRGV, how is NEST written in the same code? (a) MVHG (b) LUGF (c) NWIH (d) OFTU
  4. 4.If MOON is written as NOOM, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
  5. 5.If MOON is written as NOOM, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
  6. 6.If GOLD is written as TLOW, how is LION written in the same code? (a) NQKL (b) ORLM (c) MJPO (d) PSMN
  7. 7.If MILK is written as KLIM, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
  8. 8.If PARK is written as OZQJ, how is TREE written in the same code? (a) SQDD (b) RPCC (c) TREE (d) USFF
  9. 9.If COLD is written as BNKC, how is JUMP written in the same code? (a) HSKN (b) KVNQ (c) JUMP (d) ITLO
  10. 10.If DESK is written as KSED, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
  11. 11.If LION is written as MNHK, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) OZQJ
  12. 12.If BOAT is written as ERDW, how is SUN written in the same code? (a) UWP (b) VXQ (c) PRK (d) WYR
  13. 13.If KITE is written as LJUF, how is TREE written in the same code? (a) FFSU (b) VTGG (c) USFF (d) SQDD
  14. 14.If MOON is written as PRRQ, how is TREE written in the same code? (a) XVII (b) QOBB (c) WUHH (d) VTGG
  15. 15.If JUMP is written as KVNQ, how is PARK written in the same code? (a) LSBQ (b) OZQJ (c) QBSL (d) RCTM
  16. 16.If DESK is written as WVHP, how is MILK written in the same code? (a) NROP (b) OSPQ (c) NJML (d) MQNO
  17. 17.If SUN is written as PWU, how is BELL written in the same code? (a) JJCZ (b) NNGD (c) LLEB (d) DGNN
  18. 18.If BOOK is written as MQQD, how is CAKE written in the same code? (a) EKAC (b) GMCE (c) CIYA (d) ECMG
  19. 19.If LAMP is written as PMAL, how is FISH written in the same code? (a) GRHE (b) HSIF (c) GJTI (d) ITJG
  20. 20.If STAR is written as SBUT, how is PEN written in the same code? (a) QFO (b) OFQ (c) MDO (d) NEP
  21. 21.If BOAT is written as YLZG, how is CAT written in the same code? (a) YAH (b) DBU (c) WYF (d) XZG
  22. 22.If JUMP is written as PMUJ, how is MILK written in the same code? (a) NJML (b) LMJN (c) JKHL (d) KLIM
  23. 23.If TREE is written as GIVV, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
  24. 24.If DESK is written as BCQI, how is CAT written in the same code? (a) ECV (b) ZXQ (c) AYR (d) BZS
  25. 25.If CAT is written as UBD, how is STAR written in the same code? (a) QZSR (b) TUBS (c) RATS (d) SBUT
  26. 26.If MILK is written as NROP, how is DOG written in the same code? (a) WLT (b) XMU (c) VKS (d) EPH
  27. 27.If MOON is written as MNNL, how is SUN written in the same code? (a) RTM (b) NUS (c) OVT (d) MTR
  28. 28.If MOON is written as OPPN, how is DOG written in the same code? (a) FNC (b) GOD (c) EPH (d) HPE
  29. 29.If PARK is written as MTCR, how is BELL written in the same code? (a) LLEB (b) JJCZ (c) DGNN (d) NNGD
  30. 30.If DRUM is written as LTQC, how is TOYS written in the same code? (a) RXNS (b) SNXR (c) SYOT (d) TZPU
  31. 31.If CAKE is written as DJZB, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) RGHO
  32. 32.If TREE is written as VTGG, how is BELL written in the same code? (a) ZCJJ (b) EHOO (c) CFMM (d) DGNN
  33. 33.If WIND is written as DRMW, how is DOG written in the same code? (a) VKS (b) WLT (c) XMU (d) EPH
  34. 34.If BELL is written as KKDA, how is KITE written in the same code? (a) ETIK (b) JHSD (c) FUJL (d) DSHJ
  35. 35.If CAT is written as TAC, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) UPZT (d) SYOT
  36. 36.If PARK is written as LSBQ, how is KITE written in the same code? (a) LJUF (b) FUJL (c) ETIK (d) DSHJ
  37. 37.If BOAT is written as SZNA, how is KITE written in the same code? (a) ETIK (b) FUJL (c) JHSD (d) DSHJ
  38. 38.If STAR is written as QZSR, how is BOAT written in the same code? (a) UBPC (b) ANZS (c) SZNA (d) TAOB
  39. 39.If BOOK is written as KOOB, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
  40. 40.If TREE is written as EERT, how is WIND written in the same code? (a) DNIW (b) CMHV (c) XJOE (d) EOJX

Answer key

  1. NUS
  2. CPBU
  3. MVHG
  4. GOD
  5. NUS
  6. ORLM
  7. NEP
  8. SQDD
  9. ITLO
  10. ETIK
  11. JQZO
  12. VXQ
  13. USFF
  14. WUHH
  15. QBSL
  16. NROP
  17. NNGD
  18. GMCE
  19. HSIF
  20. OFQ
  21. XZG
  22. KLIM
  23. XZPV
  24. AYR
  25. SBUT
  26. WLT
  27. MTR
  28. HPE
  29. NNGD
  30. RXNS
  31. OHGR
  32. DGNN
  33. WLT
  34. DSHJ
  35. SYOT
  36. FUJL
  37. DSHJ
  38. SZNA
  39. KSED
  40. DNIW

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