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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 175 · 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 DRUM is written as LTQC, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) KZLO (d) QNBM
  2. 2.If FROG is written as DPME, how is BOOK written in the same code? (a) ANNJ (b) ZMMI (c) DQQM (d) YLLH
  3. 3.If LAMP is written as NCOR, how is TOYS written in the same code? (a) WRBV (b) UPZT (c) VQAU (d) RMWQ
  4. 4.If TREE is written as VTGG, how is FISH written in the same code? (a) GJTI (b) DGQF (c) HKUJ (d) ILVK
  5. 5.If DRUM is written as ESVN, how is PARK written in the same code? (a) OZQJ (b) RCTM (c) QBSL (d) LSBQ
  6. 6.If BELL is written as YVOO, how is BOOK written in the same code? (a) ZMMQ (b) YLLP (c) XKKO (d) CPPL
  7. 7.If MILK is written as KLIM, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) FLBD (d) EKAC
  8. 8.If GOLD is written as TLOW, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) CFMM (d) YVOO
  9. 9.If PEN is written as KVM, how is CAT written in the same code? (a) WYF (b) DBU (c) YAH (d) XZG
  10. 10.If FROG is written as EQNF, how is BALL written in the same code? (a) ZYJJ (b) CBMM (c) BALL (d) AZKK
  11. 11.If HAND is written as KDQG, how is BOOK written in the same code? (a) DQQM (b) FSSO (c) YLLH (d) ERRN
  12. 12.If FISH is written as GJTI, how is CAT written in the same code? (a) UBD (b) ECV (c) DBU (d) BZS
  13. 13.If JUMP is written as PMUJ, how is MOON written in the same code? (a) NPPO (b) OPPN (c) MNNL (d) NOOM
  14. 14.If JUMP is written as QFNK, how is BELL written in the same code? (a) CFMM (b) XUNN (c) YVOO (d) ZWPP
  15. 15.If BOOK is written as CPPL, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) FGUM (d) EFTL
  16. 16.If NEST is written as MVHG, how is GOLD written in the same code? (a) UMPX (b) HPME (c) TLOW (d) SKNV
  17. 17.If FISH is written as ITJG, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) NJML
  18. 18.If TREE is written as DDQS, how is GOLD written in the same code? (a) FNKC (b) CKNF (c) DLOG (d) EMPH
  19. 19.If CAKE is written as DJZB, how is SUN written in the same code? (a) OVT (b) RTM (c) NUS (d) MTR
  20. 20.If BALL is written as YZOO, how is WIND written in the same code? (a) XJOE (b) DRMW (c) ESNX (d) CQLV
  21. 21.If SHIP is written as PIHS, how is DOG written in the same code? (a) HPE (b) GOD (c) FNC (d) EPH
  22. 22.If DOG is written as WLT, how is MOON written in the same code? (a) MKKL (b) NPPO (c) OMMN (d) NLLM
  23. 23.If COLD is written as EQNF, how is LAMP written in the same code? (a) ODPS (b) MBNQ (c) JYKN (d) NCOR
  24. 24.If BALL is written as KKZA, how is SUN written in the same code? (a) OVT (b) RTM (c) NUS (d) MTR
  25. 25.If CAT is written as UBD, how is DOG written in the same code? (a) HPE (b) FNC (c) EPH (d) GOD
  26. 26.If DRUM is written as WIFN, how is LION written in the same code? (a) MJPO (b) PSMN (c) NQKL (d) ORLM
  27. 27.If MILK is written as MNKO, how is PEN written in the same code? (a) RGP (b) LCN (c) PGR (d) NEP
  28. 28.If DESK is written as WVHP, how is CAKE written in the same code? (a) WYOU (b) YAQW (c) XZPV (d) DBLF
  29. 29.If PARK is written as KRAP, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) QNBM (d) OLZK
  30. 30.If BELL is written as YVOO, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) SKNV (d) HPME
  31. 31.If BELL is written as LLEB, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
  32. 32.If FISH is written as GJTI, how is TOYS written in the same code? (a) SNXR (b) VQAU (c) UPZT (d) TZPU
  33. 33.If FISH is written as URHS, how is STAR written in the same code? (a) GFYH (b) TUBS (c) HGZI (d) IHAJ
  34. 34.If NEST is written as MVHG, how is CAKE written in the same code? (a) WYOU (b) XZPV (c) DBLF (d) YAQW
  35. 35.If DESK is written as FGUM, how is HAND written in the same code? (a) IBOE (b) FYLB (c) JCPF (d) KDQG
  36. 36.If LAMP is written as OZNK, how is NEST written in the same code? (a) OFTU (b) LUGF (c) NWIH (d) MVHG
  37. 37.If COLD is written as DLOC, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
  38. 38.If STAR is written as HGZI, how is MOON written in the same code? (a) MKKL (b) NPPO (c) NLLM (d) OMMN
  39. 39.If LION is written as OPJM, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
  40. 40.If COLD is written as AMJB, how is STAR written in the same code? (a) PQXO (b) UVCT (c) QRYP (d) RSZQ

Answer key

  1. OLZK
  2. ZMMI
  3. VQAU
  4. HKUJ
  5. QBSL
  6. YLLP
  7. EKAC
  8. YVOO
  9. XZG
  10. AZKK
  11. ERRN
  12. DBU
  13. NOOM
  14. YVOO
  15. EFTL
  16. TLOW
  17. LMJN
  18. CKNF
  19. MTR
  20. DRMW
  21. GOD
  22. NLLM
  23. NCOR
  24. MTR
  25. HPE
  26. ORLM
  27. PGR
  28. XZPV
  29. PMAL
  30. TLOW
  31. NUS
  32. UPZT
  33. HGZI
  34. XZPV
  35. JCPF
  36. MVHG
  37. NOOM
  38. NLLM
  39. FLBD
  40. QRYP

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