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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 375 · 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 KITE is written as IGRC, how is DESK written in the same code? (a) CDRJ (b) ABPH (c) BCQI (d) FGUM
  2. 2.If CAT is written as VCE, how is FROG written in the same code? (a) GORF (b) EMPD (c) HTQI (d) IQTH
  3. 3.If TREE is written as WUHH, how is MOON written in the same code? (a) JLLK (b) PRRQ (c) OQQP (d) QSSR
  4. 4.If WIND is written as XJOE, how is KITE written in the same code? (a) FUJL (b) MKVG (c) JHSD (d) LJUF
  5. 5.If RAIN is written as IZRM, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
  6. 6.If SHIP is written as HSRK, how is NEST written in the same code? (a) MVHG (b) NWIH (c) LUGF (d) OFTU
  7. 7.If SUN is written as MTR, how is DOG written in the same code? (a) HPE (b) GOD (c) FNC (d) CNF
  8. 8.If RAIN is written as IZRM, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) TUBS (d) GFYH
  9. 9.If CAT is written as UBD, how is SUN written in the same code? (a) OVT (b) NUS (c) TVO (d) MTR
  10. 10.If KITE is written as PRGV, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
  11. 11.If KITE is written as DSHJ, how is BELL written in the same code? (a) MMFC (b) LLEB (c) KKDA (d) ADKK
  12. 12.If PARK is written as QBSL, how is STAR written in the same code? (a) SBUT (b) UVCT (c) TUBS (d) RSZQ
  13. 13.If RAIN is written as NIAR, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) OLZK (d) PMAL
  14. 14.If LION is written as OLRQ, how is MILK written in the same code? (a) QMPO (b) OKNM (c) JFIH (d) PLON
  15. 15.If PEN is written as KVM, how is CAT written in the same code? (a) YAH (b) XZG (c) DBU (d) WYF
  16. 16.If PEN is written as OFQ, how is FISH written in the same code? (a) HSIF (b) GJTI (c) GRHE (d) ITJG
  17. 17.If PARK is written as SDUN, how is BOOK written in the same code? (a) DQQM (b) FSSO (c) ERRN (d) YLLH
  18. 18.If HAND is written as DNAH, how is BELL written in the same code? (a) KKDA (b) CFMM (c) LLEB (d) MMFC
  19. 19.If GOLD is written as CKNF, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) QZSR (d) RATS
  20. 20.If PEN is written as OFQ, how is SUN written in the same code? (a) NUS (b) MTR (c) TVO (d) OVT
  21. 21.If LAMP is written as OZNK, how is WIND written in the same code? (a) CQLV (b) ESNX (c) XJOE (d) DRMW
  22. 22.If LAMP is written as ODPS, how is SUN written in the same code? (a) UWP (b) VXQ (c) PRK (d) WYR
  23. 23.If BOAT is written as VCQD, how is WIND written in the same code? (a) YKPF (b) BLGU (c) FPKY (d) DNIW
  24. 24.If COLD is written as BNKC, how is BALL written in the same code? (a) ZYJJ (b) AZKK (c) BALL (d) CBMM
  25. 25.If BOOK is written as CPPL, how is JUMP written in the same code? (a) LWOR (b) KVNQ (c) ITLO (d) QNVK
  26. 26.If SHIP is written as RGHO, how is FISH written in the same code? (a) GJTI (b) EHRG (c) DGQF (d) FISH
  27. 27.If FISH is written as HKUJ, how is PARK written in the same code? (a) NYPI (b) SDUN (c) QBSL (d) RCTM
  28. 28.If SUN is written as NUS, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) CPBU (d) UBPC
  29. 29.If BALL is written as CBMM, how is CAT written in the same code? (a) DBU (b) BZS (c) UBD (d) ECV
  30. 30.If HAND is written as SZMW, how is KITE written in the same code? (a) LJUF (b) PRGV (c) OQFU (d) QSHW
  31. 31.If KITE is written as FUJL, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SYOT (d) UPZT
  32. 32.If PEN is written as KVM, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) JASN (d) SBJO
  33. 33.If COLD is written as FROG, how is DOG written in the same code? (a) ALD (b) FQI (c) GRJ (d) HSK
  34. 34.If TOYS is written as GLBH, how is CAT written in the same code? (a) WYF (b) XZG (c) DBU (d) YAH
  35. 35.If MILK is written as OKNM, how is LAMP written in the same code? (a) NCOR (b) JYKN (c) ODPS (d) MBNQ
  36. 36.If PEN is written as PGR, how is CAKE written in the same code? (a) CIYA (b) EKAC (c) ECMG (d) GMCE
  37. 37.If HAND is written as EOBI, how is WIND written in the same code? (a) EOJX (b) CMHV (c) DNIW (d) XJOE
  38. 38.If BOAT is written as TAOB, how is FISH written in the same code? (a) GJTI (b) ITJG (c) HSIF (d) GRHE
  39. 39.If GOLD is written as EMJB, how is TOYS written in the same code? (a) RMWQ (b) QLVP (c) SNXR (d) VQAU
  40. 40.If CAT is written as TAC, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) PMUJ (d) KVNQ

Answer key

  1. BCQI
  2. IQTH
  3. PRRQ
  4. LJUF
  5. XZG
  6. MVHG
  7. FNC
  8. HGZI
  9. OVT
  10. MVHG
  11. KKDA
  12. TUBS
  13. PMAL
  14. PLON
  15. XZG
  16. ITJG
  17. ERRN
  18. LLEB
  19. QZSR
  20. OVT
  21. DRMW
  22. VXQ
  23. FPKY
  24. AZKK
  25. KVNQ
  26. EHRG
  27. RCTM
  28. TAOB
  29. DBU
  30. PRGV
  31. TZPU
  32. IZRM
  33. GRJ
  34. XZG
  35. NCOR
  36. GMCE
  37. EOJX
  38. HSIF
  39. RMWQ
  40. PMUJ

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