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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 838 · 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 STAR is written as TUBS, how is PEN written in the same code? (a) OFQ (b) RGP (c) QFO (d) ODM
  2. 2.If MOON is written as KMML, how is FROG written in the same code? (a) HTQI (b) EQNF (c) DPME (d) COLD
  3. 3.If BALL is written as EDOO, how is SUN written in the same code? (a) PRK (b) WYR (c) VXQ (d) UWP
  4. 4.If PEN is written as PGR, how is KITE written in the same code? (a) MKVG (b) ETIK (c) GVKM (d) CRGI
  5. 5.If CAKE is written as AYIC, how is TREE written in the same code? (a) QOBB (b) RPCC (c) SQDD (d) VTGG
  6. 6.If CAT is written as FDW, how is NEST written in the same code? (a) PGUV (b) KBPQ (c) QHVW (d) RIWX
  7. 7.If JUMP is written as KVNQ, how is MILK written in the same code? (a) LMJN (b) OKNM (c) NJML (d) LHKJ
  8. 8.If MOON is written as PQQO, how is SUN written in the same code? (a) LSQ (b) UWP (c) NUS (d) PWU
  9. 9.If DESK is written as KSED, how is BELL written in the same code? (a) KKDA (b) MMFC (c) LLEB (d) CFMM
  10. 10.If SHIP is written as QFGN, how is RAIN written in the same code? (a) TCKP (b) OXFK (c) QZHM (d) PYGL
  11. 11.If PEN is written as NEP, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
  12. 12.If CAT is written as DBU, how is MILK written in the same code? (a) LMJN (b) LHKJ (c) NJML (d) OKNM
  13. 13.If COLD is written as DLOC, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) CPPL (d) LPPC
  14. 14.If MOON is written as NOOM, how is DESK written in the same code? (a) JRDC (b) LTFE (c) EFTL (d) KSED
  15. 15.If SUN is written as OVT, how is DESK written in the same code? (a) LTFE (b) KSED (c) EFTL (d) JRDC
  16. 16.If RAIN is written as SBJO, how is TOYS written in the same code? (a) SNXR (b) VQAU (c) UPZT (d) TZPU
  17. 17.If CAT is written as TAC, how is WIND written in the same code? (a) XJOE (b) EOJX (c) CMHV (d) DNIW
  18. 18.If LAMP is written as OZNK, how is SUN written in the same code? (a) GEL (b) IGN (c) HFM (d) TVO
  19. 19.If COLD is written as CKNB, how is PEN written in the same code? (a) NEP (b) ODM (c) OFQ (d) MDO
  20. 20.If JUMP is written as ROWL, how is PARK written in the same code? (a) MTCR (b) IPYN (c) KRAP (d) RCTM
  21. 21.If JUMP is written as PMUJ, how is CAT written in the same code? (a) TAC (b) UBD (c) DBU (d) SZB
  22. 22.If SUN is written as MTR, how is DOG written in the same code? (a) GOD (b) CNF (c) FNC (d) HPE
  23. 23.If GOLD is written as DLOG, how is BELL written in the same code? (a) LLEB (b) MMFC (c) CFMM (d) KKDA
  24. 24.If MILK is written as KLIM, how is CAT written in the same code? (a) SZB (b) DBU (c) TAC (d) UBD
  25. 25.If CAT is written as AYR, how is GOLD written in the same code? (a) DLIA (b) IQNF (c) FNKC (d) EMJB
  26. 26.If PEN is written as KVM, how is STAR written in the same code? (a) HGZI (b) TUBS (c) GFYH (d) IHAJ
  27. 27.If TREE is written as GIVV, how is STAR written in the same code? (a) TUBS (b) HGZI (c) GFYH (d) IHAJ
  28. 28.If STAR is written as TUBS, how is GOLD written in the same code? (a) FNKC (b) IQNF (c) EMPH (d) HPME
  29. 29.If STAR is written as RATS, how is DRUM written in the same code? (a) MURD (b) NVSE (c) LTQC (d) ESVN
  30. 30.If DESK is written as KSED, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) KOOB (d) LPPC
  31. 31.If LION is written as ORLM, how is TREE written in the same code? (a) FHUU (b) GIVV (c) USFF (d) HJWW
  32. 32.If SUN is written as NUS, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) TZPU (d) UPZT
  33. 33.If PEN is written as OFQ, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
  34. 34.If TREE is written as EERT, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
  35. 35.If NEST is written as UTFO, how is STAR written in the same code? (a) RATS (b) SBUT (c) TUBS (d) QZSR
  36. 36.If SHIP is written as RKJU, how is SUN written in the same code? (a) NUS (b) UWP (c) LSQ (d) PWU
  37. 37.If BOOK is written as YLLP, how is RAIN written in the same code? (a) SBJO (b) JASN (c) HYQL (d) IZRM
  38. 38.If PEN is written as MDO, how is BOOK written in the same code? (a) KOOB (b) LPPC (c) ANNJ (d) JNNA
  39. 39.If TREE is written as GIVV, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) XYNN (d) CBMM
  40. 40.If NEST is written as MVHG, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH

Answer key

  1. QFO
  2. DPME
  3. VXQ
  4. GVKM
  5. RPCC
  6. QHVW
  7. NJML
  8. PWU
  9. LLEB
  10. PYGL
  11. NOOM
  12. NJML
  13. KOOB
  14. KSED
  15. LTFE
  16. UPZT
  17. DNIW
  18. HFM
  19. MDO
  20. MTCR
  21. TAC
  22. FNC
  23. LLEB
  24. TAC
  25. EMJB
  26. HGZI
  27. HGZI
  28. HPME
  29. MURD
  30. KOOB
  31. GIVV
  32. SYOT
  33. OVT
  34. KOOB
  35. SBUT
  36. PWU
  37. IZRM
  38. JNNA
  39. YZOO
  40. XZG

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