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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 999 · 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 FROG is written as EQNF, how is GOLD written in the same code? (a) GOLD (b) HPME (c) FNKC (d) EMJB
  2. 2.If SHIP is written as HSRK, how is JUMP written in the same code? (a) PEMJ (b) KVNQ (c) QFNK (d) RGOL
  3. 3.If WIND is written as VHMC, how is DESK written in the same code? (a) BCQI (b) DESK (c) CDRJ (d) EFTL
  4. 4.If CAT is written as TAC, how is BALL written in the same code? (a) MMBC (b) LLAB (c) KKZA (d) CBMM
  5. 5.If BELL is written as ZCJJ, how is LION written in the same code? (a) KHNM (b) IFLK (c) JGML (d) NKQP
  6. 6.If CAKE is written as ECMG, how is TREE written in the same code? (a) VTGG (b) RPCC (c) WUHH (d) USFF
  7. 7.If NEST is written as TSEN, how is DOG written in the same code? (a) EPH (b) FNC (c) GOD (d) HPE
  8. 8.If DOG is written as GOD, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
  9. 9.If DOG is written as HPE, how is BELL written in the same code? (a) LLEB (b) CFMM (c) MMFC (d) KKDA
  10. 10.If BOOK is written as ZMMI, how is SUN written in the same code? (a) UWP (b) PRK (c) QSL (d) RTM
  11. 11.If BOOK is written as KOOB, how is KITE written in the same code? (a) LJUF (b) FUJL (c) ETIK (d) DSHJ
  12. 12.If CAKE is written as XZPV, how is MOON written in the same code? (a) NLLM (b) OMMN (c) NPPO (d) MKKL
  13. 13.If GOLD is written as CKNF, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) JHSD
  14. 14.If BOAT is written as UBPC, how is CAT written in the same code? (a) SZB (b) TAC (c) UBD (d) DBU
  15. 15.If WIND is written as EOJX, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
  16. 16.If JUMP is written as HSKN, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) DGQF (d) CFPE
  17. 17.If STAR is written as QZSR, how is PARK written in the same code? (a) OZQJ (b) KRAP (c) LSBQ (d) JQZO
  18. 18.If GOLD is written as JROG, how is HAND written in the same code? (a) KDQG (b) EXKA (c) JCPF (d) LERH
  19. 19.If COLD is written as XLOW, how is WIND written in the same code? (a) ESNX (b) XJOE (c) CQLV (d) DRMW
  20. 20.If SUN is written as TVO, how is DESK written in the same code? (a) EFTL (b) FGUM (c) CDRJ (d) LTFE
  21. 21.If JUMP is written as PMUJ, how is DESK written in the same code? (a) JRDC (b) KSED (c) EFTL (d) LTFE
  22. 22.If TOYS is written as RXNS, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) FNKC (d) CKNF
  23. 23.If MILK is written as KGJI, how is BOAT written in the same code? (a) ZMYR (b) YLXQ (c) DQCV (d) ANZS
  24. 24.If SHIP is written as HSRK, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) EFTL (d) WVHP
  25. 25.If FROG is written as GORF, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
  26. 26.If MILK is written as NJML, how is KITE written in the same code? (a) LJUF (b) JHSD (c) MKVG (d) FUJL
  27. 27.If SUN is written as HFM, how is BELL written in the same code? (a) XUNN (b) YVOO (c) CFMM (d) ZWPP
  28. 28.If PARK is written as MTCR, how is GOLD written in the same code? (a) BJME (b) DLOG (c) IQNF (d) FNQI
  29. 29.If LAMP is written as QNBM, how is STAR written in the same code? (a) TUBS (b) SBUT (c) RATS (d) QZSR
  30. 30.If SUN is written as HFM, how is FROG written in the same code? (a) THKS (b) UILT (c) GSPH (d) VJMU
  31. 31.If MOON is written as LNNM, how is STAR written in the same code? (a) RSZQ (b) TUBS (c) QRYP (d) STAR
  32. 32.If BALL is written as NNCD, how is COLD written in the same code? (a) FNQE (b) DLOC (c) EQNF (d) BJMA
  33. 33.If DRUM is written as MURD, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
  34. 34.If DRUM is written as LTQC, how is KITE written in the same code? (a) ETIK (b) FUJL (c) DSHJ (d) JHSD
  35. 35.If SUN is written as NUS, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
  36. 36.If LAMP is written as QNBM, how is CAT written in the same code? (a) UBD (b) DBU (c) SZB (d) TAC
  37. 37.If NEST is written as MVHG, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) RGOL (d) QFNK
  38. 38.If SHIP is written as HSRK, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
  39. 39.If FROG is written as GORF, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) OLTI (d) PMUJ
  40. 40.If MILK is written as NROP, how is BOAT written in the same code? (a) YLZG (b) ZMAH (c) CPBU (d) XKYF

Answer key

  1. FNKC
  2. QFNK
  3. CDRJ
  4. LLAB
  5. JGML
  6. VTGG
  7. GOD
  8. LLAB
  9. MMFC
  10. QSL
  11. ETIK
  12. NLLM
  13. DSHJ
  14. UBD
  15. FLBD
  16. DGQF
  17. JQZO
  18. KDQG
  19. DRMW
  20. EFTL
  21. KSED
  22. CKNF
  23. ZMYR
  24. WVHP
  25. EERT
  26. LJUF
  27. YVOO
  28. FNQI
  29. SBUT
  30. UILT
  31. RSZQ
  32. FNQE
  33. NOOM
  34. DSHJ
  35. PMUJ
  36. UBD
  37. QFNK
  38. XZG
  39. PMUJ
  40. YLZG

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