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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 573 · 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 JUMP is written as HSKN, how is SHIP written in the same code? (a) PEFM (b) QFGN (c) RGHO (d) UJKR
  2. 2.If TOYS is written as UAQV, how is LION written in the same code? (a) NKQP (b) NOIL (c) PQKN (d) LMGJ
  3. 3.If BELL is written as MMFC, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GORF (d) GSPH
  4. 4.If STAR is written as RATS, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
  5. 5.If DESK is written as CDRJ, how is FROG written in the same code? (a) FROG (b) EQNF (c) GSPH (d) DPME
  6. 6.If PEN is written as ODM, how is SUN written in the same code? (a) TVO (b) QSL (c) SUN (d) RTM
  7. 7.If JUMP is written as OLTI, how is TREE written in the same code? (a) EERT (b) FFSU (c) DDQS (d) SQDD
  8. 8.If SUN is written as QSL, how is NEST written in the same code? (a) PGUV (b) LCQR (c) MDRS (d) KBPQ
  9. 9.If BALL is written as YZOO, how is JUMP written in the same code? (a) RGOL (b) KVNQ (c) PEMJ (d) QFNK
  10. 10.If CAKE is written as FDNH, how is BELL written in the same code? (a) YBII (b) FIPP (c) EHOO (d) DGNN
  11. 11.If LAMP is written as JYKN, how is WIND written in the same code? (a) VHMC (b) TFKA (c) YKPF (d) UGLB
  12. 12.If LAMP is written as PMAL, how is COLD written in the same code? (a) EMPD (b) DPME (c) CKNB (d) DLOC
  13. 13.If DESK is written as WVHP, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) GLBH (d) FKAG
  14. 14.If SUN is written as HFM, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
  15. 15.If WIND is written as DNIW, how is DOG written in the same code? (a) FNC (b) GOD (c) EPH (d) HPE
  16. 16.If KITE is written as GVKM, how is DESK written in the same code? (a) FGUM (b) KSED (c) MUGF (d) IQCB
  17. 17.If NEST is written as UTFO, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
  18. 18.If WIND is written as DRMW, how is TREE written in the same code? (a) GIVV (b) HJWW (c) USFF (d) FHUU
  19. 19.If LION is written as JGML, how is LAMP written in the same code? (a) IXJM (b) KZLO (c) NCOR (d) JYKN
  20. 20.If GOLD is written as TLOW, how is KITE written in the same code? (a) OQFU (b) QSHW (c) PRGV (d) LJUF
  21. 21.If STAR is written as RATS, how is LION written in the same code? (a) MJPO (b) OPJM (c) MNHK (d) NOIL
  22. 22.If BOAT is written as ERDW, how is NEST written in the same code? (a) PGUV (b) RIWX (c) KBPQ (d) QHVW
  23. 23.If WIND is written as UGLB, how is DOG written in the same code? (a) BME (b) ALD (c) FQI (d) CNF
  24. 24.If PARK is written as MTCR, how is RAIN written in the same code? (a) NIAR (b) LGYP (c) PKCT (d) TCKP
  25. 25.If MOON is written as MNNL, how is GOLD written in the same code? (a) DLOG (b) FNKC (c) EMPH (d) CKNF
  26. 26.If DOG is written as WLT, how is NEST written in the same code? (a) MVHG (b) OFTU (c) NWIH (d) LUGF
  27. 27.If DOG is written as WLT, how is TOYS written in the same code? (a) UPZT (b) GLBH (c) FKAG (d) HMCI
  28. 28.If PEN is written as KVM, how is MILK written in the same code? (a) NJML (b) NROP (c) OSPQ (d) MQNO
  29. 29.If CAKE is written as AYIC, how is WIND written in the same code? (a) YKPF (b) UGLB (c) TFKA (d) VHMC
  30. 30.If NEST is written as VUGP, how is LAMP written in the same code? (a) PMAL (b) ROCN (c) NKYJ (d) NCOR
  31. 31.If DRUM is written as WIFN, how is MOON written in the same code? (a) NPPO (b) OMMN (c) NLLM (d) MKKL
  32. 32.If TREE is written as VTGG, how is SHIP written in the same code? (a) VKLS (b) QFGN (c) UJKR (d) TIJQ
  33. 33.If SUN is written as OVT, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) KOOB (d) LPPC
  34. 34.If DESK is written as WVHP, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) HSRK (d) ITSL
  35. 35.If BOOK is written as KOOB, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
  36. 36.If STAR is written as UVCT, how is KITE written in the same code? (a) IGRC (b) NLWH (c) LJUF (d) MKVG
  37. 37.If PEN is written as QFO, how is SUN written in the same code? (a) TVO (b) OVT (c) RTM (d) UWP
  38. 38.If PARK is written as MTCR, how is BALL written in the same code? (a) DCNN (b) NNCD (c) JJYZ (d) LLAB
  39. 39.If BELL is written as YVOO, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) SKNV (d) HPME
  40. 40.If CAKE is written as FLBD, how is HAND written in the same code? (a) DNAH (b) EOBI (c) IBOE (d) CMZG

Answer key

  1. QFGN
  2. PQKN
  3. HPSG
  4. TAC
  5. EQNF
  6. RTM
  7. DDQS
  8. LCQR
  9. QFNK
  10. EHOO
  11. UGLB
  12. DLOC
  13. GLBH
  14. XZG
  15. GOD
  16. MUGF
  17. TZPU
  18. GIVV
  19. JYKN
  20. PRGV
  21. NOIL
  22. QHVW
  23. BME
  24. PKCT
  25. CKNF
  26. MVHG
  27. GLBH
  28. NROP
  29. UGLB
  30. ROCN
  31. NLLM
  32. UJKR
  33. LPPC
  34. HSRK
  35. ETIK
  36. MKVG
  37. TVO
  38. NNCD
  39. TLOW
  40. EOBI

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