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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 450 · 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 QFNK, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) GLBH (d) FKAG
  2. 2.If TREE is written as EERT, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
  3. 3.If STAR is written as SBUT, how is BELL written in the same code? (a) LLEB (b) CFMM (c) MMFC (d) KKDA
  4. 4.If COLD is written as CKNB, how is FROG written in the same code? (a) EQNF (b) GORF (c) FNQE (d) HPSG
  5. 5.If FISH is written as ITJG, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) TIJQ (d) QJIT
  6. 6.If SHIP is written as PIHS, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) TZPU (d) RXNS
  7. 7.If FROG is written as GORF, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
  8. 8.If FISH is written as URHS, how is COLD written in the same code? (a) YMPX (b) DPME (c) XLOW (d) WKNV
  9. 9.If BALL is written as LLAB, how is MILK written in the same code? (a) JKHL (b) LMJN (c) KLIM (d) NJML
  10. 10.If FROG is written as HPSG, how is COLD written in the same code? (a) CKNB (b) DLOC (c) EMPD (d) DPME
  11. 11.If STAR is written as HGZI, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
  12. 12.If BOOK is written as KOOB, how is PEN written in the same code? (a) MDO (b) OFQ (c) NEP (d) QFO
  13. 13.If CAT is written as SZB, how is STAR written in the same code? (a) QZSR (b) RATS (c) SBUT (d) RSZQ
  14. 14.If BOOK is written as LPPC, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
  15. 15.If BOOK is written as KOOB, how is COLD written in the same code? (a) EMPD (b) DLOC (c) CKNB (d) DPME
  16. 16.If CAT is written as SZB, how is FROG written in the same code? (a) EQNF (b) FNQE (c) HPSG (d) GORF
  17. 17.If PEN is written as NEP, how is GOLD written in the same code? (a) HPME (b) DLOG (c) EMPH (d) CKNF
  18. 18.If PEN is written as ODM, how is LION written in the same code? (a) LION (b) MJPO (c) JGML (d) KHNM
  19. 19.If BOAT is written as CPBU, how is MILK written in the same code? (a) OKNM (b) LMJN (c) LHKJ (d) NJML
  20. 20.If GOLD is written as HPME, how is BALL written in the same code? (a) MMBC (b) DCNN (c) CBMM (d) AZKK
  21. 21.If BELL is written as LLEB, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
  22. 22.If PARK is written as JQZO, how is FROG written in the same code? (a) EQNF (b) HPSG (c) GORF (d) FNQE
  23. 23.If CAT is written as AYR, how is LION written in the same code? (a) JGML (b) KHNM (c) IFLK (d) NKQP
  24. 24.If MOON is written as NOOM, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
  25. 25.If BOAT is written as YLZG, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
  26. 26.If MILK is written as KLIM, how is DOG written in the same code? (a) FNC (b) HPE (c) EPH (d) GOD
  27. 27.If JUMP is written as KVNQ, how is DOG written in the same code? (a) CNF (b) EPH (c) HPE (d) FQI
  28. 28.If MILK is written as LHKJ, how is BELL written in the same code? (a) CFMM (b) ADKK (c) BELL (d) ZCJJ
  29. 29.If HAND is written as JCPF, how is DRUM written in the same code? (a) FTWO (b) GUXP (c) ESVN (d) BPSK
  30. 30.If HAND is written as DNAH, how is MOON written in the same code? (a) MNNL (b) NPPO (c) NOOM (d) OPPN
  31. 31.If CAKE is written as GMCE, how is BALL written in the same code? (a) JJYZ (b) DCNN (c) LLAB (d) NNCD
  32. 32.If FISH is written as URHS, how is CAKE written in the same code? (a) DBLF (b) XZPV (c) YAQW (d) WYOU
  33. 33.If KITE is written as PRGV, how is NEST written in the same code? (a) NWIH (b) OFTU (c) LUGF (d) MVHG
  34. 34.If SUN is written as PWU, how is MILK written in the same code? (a) OKNM (b) KLIM (c) IJGK (d) MNKO
  35. 35.If STAR is written as RSZQ, how is LION written in the same code? (a) KHNM (b) JGML (c) MJPO (d) LION
  36. 36.If BALL is written as MMBC, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
  37. 37.If SUN is written as NUS, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SYOT (d) UPZT
  38. 38.If FISH is written as GRHE, how is DRUM written in the same code? (a) CQTL (b) NVSE (c) MURD (d) LTQC
  39. 39.If JUMP is written as PMUJ, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) EFTL
  40. 40.If LION is written as PQKN, how is FISH written in the same code? (a) HKUJ (b) FQGD (c) HSIF (d) JUKH

Answer key

  1. GLBH
  2. TAC
  3. MMFC
  4. FNQE
  5. QJIT
  6. SYOT
  7. TSEN
  8. XLOW
  9. KLIM
  10. EMPD
  11. URHS
  12. NEP
  13. QZSR
  14. FUJL
  15. DLOC
  16. FNQE
  17. DLOG
  18. KHNM
  19. NJML
  20. CBMM
  21. DNIW
  22. FNQE
  23. JGML
  24. SYOT
  25. XLOW
  26. GOD
  27. EPH
  28. ADKK
  29. FTWO
  30. NOOM
  31. NNCD
  32. XZPV
  33. MVHG
  34. MNKO
  35. KHNM
  36. OFQ
  37. SYOT
  38. LTQC
  39. KSED
  40. JUKH

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