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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 595 · 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 MOON is written as NOOM, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
  2. 2.If MILK is written as NJML, how is COLD written in the same code? (a) EQNF (b) DPME (c) EMPD (d) BNKC
  3. 3.If CAT is written as XZG, how is WIND written in the same code? (a) XJOE (b) CQLV (c) ESNX (d) DRMW
  4. 4.If BOAT is written as UBPC, how is NEST written in the same code? (a) UTFO (b) SRDM (c) OFTU (d) TSEN
  5. 5.If WIND is written as DNIW, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) PIHS (d) QJIT
  6. 6.If DESK is written as EFTL, how is MOON written in the same code? (a) OPPN (b) LNNM (c) OQQP (d) NPPO
  7. 7.If FISH is written as URHS, how is HAND written in the same code? (a) IBOE (b) RYLV (c) SZMW (d) TANX
  8. 8.If JUMP is written as LWOR, how is TOYS written in the same code? (a) WRBV (b) VQAU (c) RMWQ (d) UPZT
  9. 9.If BOOK is written as KOOB, how is HAND written in the same code? (a) EOBI (b) DNAH (c) IBOE (d) CMZG
  10. 10.If PEN is written as PGR, how is DOG written in the same code? (a) GOD (b) EMB (c) FQI (d) IQF
  11. 11.If BOAT is written as YLZG, how is CAT written in the same code? (a) WYF (b) XZG (c) DBU (d) YAH
  12. 12.If SUN is written as NUS, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) KVNQ (d) PMUJ
  13. 13.If KITE is written as PRGV, how is COLD written in the same code? (a) WKNV (b) XLOW (c) DPME (d) YMPX
  14. 14.If RAIN is written as NIAR, how is DRUM written in the same code? (a) MURD (b) ESVN (c) NVSE (d) LTQC
  15. 15.If JUMP is written as PMUJ, how is CAT written in the same code? (a) TAC (b) DBU (c) SZB (d) UBD
  16. 16.If DOG is written as GOD, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
  17. 17.If RAIN is written as NIAR, how is NEST written in the same code? (a) OFTU (b) SRDM (c) TSEN (d) UTFO
  18. 18.If CAKE is written as FLBD, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
  19. 19.If BALL is written as LLAB, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
  20. 20.If DRUM is written as BPSK, how is STAR written in the same code? (a) QRYP (b) RSZQ (c) UVCT (d) PQXO
  21. 21.If FROG is written as GSPH, how is KITE written in the same code? (a) MKVG (b) JHSD (c) FUJL (d) LJUF
  22. 22.If BOOK is written as CPPL, how is TOYS written in the same code? (a) VQAU (b) SNXR (c) UPZT (d) TZPU
  23. 23.If LAMP is written as OZNK, how is BALL written in the same code? (a) CBMM (b) XYNN (c) YZOO (d) ZAPP
  24. 24.If NEST is written as SRDM, how is DRUM written in the same code? (a) CQTL (b) NVSE (c) MURD (d) LTQC
  25. 25.If DRUM is written as MURD, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
  26. 26.If DOG is written as EPH, how is TOYS written in the same code? (a) TZPU (b) VQAU (c) UPZT (d) SNXR
  27. 27.If LAMP is written as PMAL, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
  28. 28.If TOYS is written as SYOT, how is HAND written in the same code? (a) EOBI (b) CMZG (c) IBOE (d) DNAH
  29. 29.If WIND is written as DRMW, how is FROG written in the same code? (a) THKS (b) UILT (c) GSPH (d) VJMU
  30. 30.If MILK is written as PLON, how is STAR written in the same code? (a) UVCT (b) WXEV (c) PQXO (d) VWDU
  31. 31.If BOOK is written as YLLP, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
  32. 32.If CAKE is written as XZPV, how is COLD written in the same code? (a) YMPX (b) DPME (c) XLOW (d) WKNV
  33. 33.If MOON is written as KMML, how is BOOK written in the same code? (a) YLLH (b) DQQM (c) ANNJ (d) ZMMI
  34. 34.If PARK is written as MTCR, how is TREE written in the same code? (a) VTGG (b) EERT (c) CCPR (d) GGTV
  35. 35.If SUN is written as UWP, how is COLD written in the same code? (a) EQNF (b) FROG (c) DPME (d) AMJB
  36. 36.If CAT is written as FDW, how is DOG written in the same code? (a) HSK (b) FQI (c) GRJ (d) ALD
  37. 37.If BOOK is written as KOOB, how is WIND written in the same code? (a) CMHV (b) XJOE (c) EOJX (d) DNIW
  38. 38.If FROG is written as GORF, how is MILK written in the same code? (a) NJML (b) JKHL (c) LMJN (d) KLIM
  39. 39.If JUMP is written as OLTI, how is LION written in the same code? (a) KHNM (b) NOIL (c) OPJM (d) MNHK
  40. 40.If CAT is written as XZG, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) YLZG (d) CPBU

Answer key

  1. TAC
  2. DPME
  3. DRMW
  4. UTFO
  5. PIHS
  6. NPPO
  7. SZMW
  8. VQAU
  9. DNAH
  10. IQF
  11. XZG
  12. PMUJ
  13. XLOW
  14. MURD
  15. TAC
  16. KOOB
  17. TSEN
  18. SBUT
  19. SYOT
  20. QRYP
  21. LJUF
  22. UPZT
  23. YZOO
  24. LTQC
  25. GOD
  26. UPZT
  27. DNIW
  28. DNAH
  29. UILT
  30. VWDU
  31. KVM
  32. XLOW
  33. ZMMI
  34. GGTV
  35. EQNF
  36. GRJ
  37. DNIW
  38. KLIM
  39. MNHK
  40. YLZG

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