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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 18 · 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 BALL is written as MMBC, how is TOYS written in the same code? (a) TZPU (b) SYOT (c) RXNS (d) UPZT
  2. 2.If DESK is written as KSED, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
  3. 3.If WIND is written as VHMC, how is PARK written in the same code? (a) NYPI (b) QBSL (c) OZQJ (d) PARK
  4. 4.If TOYS is written as UAQV, how is DOG written in the same code? (a) IQF (b) GOD (c) EMB (d) FQI
  5. 5.If KITE is written as MKVG, how is CAKE written in the same code? (a) ECMG (b) AYIC (c) DBLF (d) FDNH
  6. 6.If JUMP is written as OLTI, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) QNBM (d) KZLO
  7. 7.If FROG is written as IQTH, how is SHIP written in the same code? (a) PIHS (b) RKJU (c) NGFQ (d) UJKR
  8. 8.If COLD is written as AMJB, how is CAKE written in the same code? (a) BZJD (b) AYIC (c) ECMG (d) ZXHB
  9. 9.If LAMP is written as ODPS, how is KITE written in the same code? (a) NLWH (b) HFQB (c) OMXI (d) MKVG
  10. 10.If MILK is written as KLIM, how is HAND written in the same code? (a) IBOE (b) DNAH (c) EOBI (d) CMZG
  11. 11.If HAND is written as SZMW, how is LAMP written in the same code? (a) NYMJ (b) OZNK (c) MBNQ (d) PAOL
  12. 12.If DRUM is written as WIFN, how is BALL written in the same code? (a) CBMM (b) ZAPP (c) YZOO (d) XYNN
  13. 13.If DOG is written as WLT, how is STAR written in the same code? (a) GFYH (b) HGZI (c) TUBS (d) IHAJ
  14. 14.If TREE is written as EERT, how is HAND written in the same code? (a) EOBI (b) IBOE (c) DNAH (d) CMZG
  15. 15.If LAMP is written as PMAL, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
  16. 16.If SUN is written as PWU, how is BOAT written in the same code? (a) VCQD (b) DQCV (c) RYMZ (d) TAOB
  17. 17.If FISH is written as URHS, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) QBSL (d) KZIP
  18. 18.If TOYS is written as SYOT, how is DESK written in the same code? (a) EFTL (b) LTFE (c) KSED (d) JRDC
  19. 19.If COLD is written as EMPD, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) ESVN (d) MURD
  20. 20.If SUN is written as NUS, how is NEST written in the same code? (a) UTFO (b) OFTU (c) SRDM (d) TSEN
  21. 21.If WIND is written as EOJX, how is DOG written in the same code? (a) FNC (b) EPH (c) HPE (d) GOD
  22. 22.If PEN is written as ODM, how is PARK written in the same code? (a) NYPI (b) QBSL (c) OZQJ (d) PARK
  23. 23.If LAMP is written as ROCN, how is BOOK written in the same code? (a) IMMZ (b) DQQM (c) MQQD (d) KOOB
  24. 24.If KITE is written as DSHJ, how is NEST written in the same code? (a) UTFO (b) SRDM (c) TSEN (d) MDRS
  25. 25.If PEN is written as KVM, how is SHIP written in the same code? (a) ITSL (b) HSRK (c) GRQJ (d) TIJQ
  26. 26.If MILK is written as LMJN, how is DOG written in the same code? (a) FNC (b) EPH (c) HPE (d) GOD
  27. 27.If CAT is written as UBD, how is KITE written in the same code? (a) FUJL (b) ETIK (c) DSHJ (d) LJUF
  28. 28.If SUN is written as QSL, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) DGQF (d) CFPE
  29. 29.If SHIP is written as PIHS, how is DOG written in the same code? (a) HPE (b) GOD (c) EPH (d) FNC
  30. 30.If FISH is written as URHS, how is MILK written in the same code? (a) MQNO (b) NROP (c) NJML (d) OSPQ
  31. 31.If DRUM is written as FTWO, how is NEST written in the same code? (a) PGUV (b) OFTU (c) QHVW (d) LCQR
  32. 32.If BOAT is written as YLZG, how is STAR written in the same code? (a) HGZI (b) GFYH (c) TUBS (d) IHAJ
  33. 33.If DOG is written as WLT, how is FROG written in the same code? (a) VJMU (b) THKS (c) UILT (d) GSPH
  34. 34.If BOOK is written as KOOB, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
  35. 35.If MOON is written as OPPN, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) UBPC (d) TAOB
  36. 36.If LAMP is written as OLZK, how is MILK written in the same code? (a) LMJN (b) JKHL (c) LHKJ (d) KLIM
  37. 37.If DESK is written as KSED, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
  38. 38.If LAMP is written as KZLO, how is KITE written in the same code? (a) IGRC (b) KITE (c) LJUF (d) JHSD
  39. 39.If PARK is written as QBSL, how is PEN written in the same code? (a) ODM (b) OFQ (c) RGP (d) QFO
  40. 40.If BOOK is written as MQQD, how is TOYS written in the same code? (a) VQAU (b) UAQV (c) SYOT (d) QWMR

Answer key

  1. TZPU
  2. EERT
  3. OZQJ
  4. IQF
  5. ECMG
  6. OLZK
  7. RKJU
  8. AYIC
  9. NLWH
  10. DNAH
  11. OZNK
  12. YZOO
  13. HGZI
  14. DNAH
  15. NEP
  16. VCQD
  17. KZIP
  18. KSED
  19. NVSE
  20. TSEN
  21. HPE
  22. OZQJ
  23. MQQD
  24. SRDM
  25. HSRK
  26. HPE
  27. FUJL
  28. DGQF
  29. GOD
  30. NROP
  31. PGUV
  32. HGZI
  33. UILT
  34. RATS
  35. UBPC
  36. JKHL
  37. DNAH
  38. JHSD
  39. QFO
  40. UAQV

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