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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 53 · 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 SUN is written as QSL, how is BOOK written in the same code? (a) DQQM (b) ZMMI (c) ANNJ (d) YLLH
  2. 2.If TREE is written as EERT, how is RAIN written in the same code? (a) SBJO (b) NIAR (c) MHZQ (d) OJBS
  3. 3.If PEN is written as KVM, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) YZOO (d) CBMM
  4. 4.If MOON is written as PQQO, how is SHIP written in the same code? (a) PIHS (b) RKJU (c) UJKR (d) NGFQ
  5. 5.If CAKE is written as XZPV, how is LION written in the same code? (a) PSMN (b) ORLM (c) NQKL (d) MJPO
  6. 6.If BELL is written as CFMM, how is JUMP written in the same code? (a) QNVK (b) LWOR (c) ITLO (d) KVNQ
  7. 7.If CAT is written as XZG, how is BOOK written in the same code? (a) XKKO (b) CPPL (c) YLLP (d) ZMMQ
  8. 8.If GOLD is written as DLOG, how is COLD written in the same code? (a) DPME (b) CKNB (c) EMPD (d) DLOC
  9. 9.If FROG is written as IQTH, how is WIND written in the same code? (a) BLGU (b) DNIW (c) YKPF (d) FPKY
  10. 10.If TOYS is written as SYOT, how is PARK written in the same code? (a) QBSL (b) KRAP (c) LSBQ (d) JQZO
  11. 11.If RAIN is written as PKCT, how is DRUM written in the same code? (a) KSPB (b) OWTF (c) FTWO (d) MURD
  12. 12.If BELL is written as NNGD, how is LION written in the same code? (a) LMGJ (b) PQKN (c) NKQP (d) NOIL
  13. 13.If PEN is written as SHQ, how is MOON written in the same code? (a) JLLK (b) OQQP (c) PRRQ (d) QSSR
  14. 14.If CAKE is written as ECMG, how is DOG written in the same code? (a) EPH (b) BME (c) GRJ (d) FQI
  15. 15.If BELL is written as NNGD, how is CAKE written in the same code? (a) EKAC (b) CIYA (c) GMCE (d) ECMG
  16. 16.If RAIN is written as NIAR, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) EKAC (d) DBLF
  17. 17.If JUMP is written as QFNK, how is MILK written in the same code? (a) NROP (b) OSPQ (c) MQNO (d) NJML
  18. 18.If RAIN is written as UDLQ, how is LAMP written in the same code? (a) IXJM (b) PEQT (c) NCOR (d) ODPS
  19. 19.If FROG is written as HPSG, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) EKAC (d) FLBD
  20. 20.If BOOK is written as ZMMI, how is CAT written in the same code? (a) AYR (b) BZS (c) ECV (d) ZXQ
  21. 21.If TREE is written as EERT, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
  22. 22.If MILK is written as LHKJ, how is DESK written in the same code? (a) CDRJ (b) DESK (c) BCQI (d) EFTL
  23. 23.If SUN is written as MTR, how is CAKE written in the same code? (a) BZJD (b) DJZB (c) EKAC (d) FLBD
  24. 24.If MILK is written as KLIM, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
  25. 25.If KITE is written as ETIK, how is LION written in the same code? (a) NOIL (b) MNHK (c) MJPO (d) OPJM
  26. 26.If MILK is written as MNKO, how is TOYS written in the same code? (a) SYOT (b) VQAU (c) UAQV (d) QWMR
  27. 27.If NEST is written as TSEN, how is MOON written in the same code? (a) NOOM (b) MNNL (c) OPPN (d) NPPO
  28. 28.If STAR is written as TUBS, how is GOLD written in the same code? (a) IQNF (b) EMPH (c) FNKC (d) HPME
  29. 29.If FROG is written as GSPH, how is DOG written in the same code? (a) CNF (b) HPE (c) FQI (d) EPH
  30. 30.If SUN is written as VXQ, how is PEN written in the same code? (a) TIR (b) RGP (c) SHQ (d) MBK
  31. 31.If TOYS is written as GLBH, how is DRUM written in the same code? (a) WIFN (b) ESVN (c) XJGO (d) VHEM
  32. 32.If STAR is written as TUBS, how is TREE written in the same code? (a) VTGG (b) SQDD (c) USFF (d) FFSU
  33. 33.If HAND is written as FPCJ, how is BOOK written in the same code? (a) KOOB (b) DQQM (c) IMMZ (d) MQQD
  34. 34.If MILK is written as PLON, how is STAR written in the same code? (a) UVCT (b) WXEV (c) PQXO (d) VWDU
  35. 35.If BOAT is written as VCQD, how is KITE written in the same code? (a) ETIK (b) MKVG (c) GVKM (d) CRGI
  36. 36.If TOYS is written as UPZT, how is LAMP written in the same code? (a) KZLO (b) NCOR (c) MBNQ (d) QNBM
  37. 37.If FROG is written as GORF, how is PEN written in the same code? (a) OFQ (b) MDO (c) QFO (d) NEP
  38. 38.If TOYS is written as SYOT, how is FISH written in the same code? (a) HSIF (b) GJTI (c) GRHE (d) ITJG
  39. 39.If MOON is written as MNNL, how is NEST written in the same code? (a) UTFO (b) SRDM (c) MDRS (d) TSEN
  40. 40.If FROG is written as UILT, how is TREE written in the same code? (a) HJWW (b) USFF (c) FHUU (d) GIVV

Answer key

  1. ZMMI
  2. NIAR
  3. YZOO
  4. RKJU
  5. ORLM
  6. KVNQ
  7. YLLP
  8. DLOC
  9. FPKY
  10. KRAP
  11. OWTF
  12. PQKN
  13. PRRQ
  14. FQI
  15. GMCE
  16. EKAC
  17. NROP
  18. ODPS
  19. FLBD
  20. AYR
  21. KRAP
  22. CDRJ
  23. DJZB
  24. PMUJ
  25. NOIL
  26. UAQV
  27. NOOM
  28. HPME
  29. EPH
  30. SHQ
  31. WIFN
  32. USFF
  33. MQQD
  34. VWDU
  35. GVKM
  36. MBNQ
  37. NEP
  38. HSIF
  39. SRDM
  40. GIVV

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