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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 9 · 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 BOAT is written as VCQD, how is MOON written in the same code? (a) LMMK (b) OQQP (c) NOOM (d) PQQO
  2. 2.If LAMP is written as QNBM, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
  3. 3.If DRUM is written as BPSK, how is TREE written in the same code? (a) RPCC (b) SQDD (c) VTGG (d) QOBB
  4. 4.If MOON is written as NOOM, how is FISH written in the same code? (a) GRHE (b) GJTI (c) HSIF (d) ITJG
  5. 5.If LION is written as ORLM, how is FROG written in the same code? (a) UILT (b) THKS (c) GSPH (d) VJMU
  6. 6.If WIND is written as DRMW, how is TREE written in the same code? (a) HJWW (b) GIVV (c) USFF (d) FHUU
  7. 7.If FISH is written as URHS, how is MILK written in the same code? (a) NJML (b) MQNO (c) NROP (d) OSPQ
  8. 8.If DOG is written as EPH, how is FROG written in the same code? (a) HTQI (b) EQNF (c) HPSG (d) GSPH
  9. 9.If GOLD is written as EMPH, how is FROG written in the same code? (a) HPSG (b) GORF (c) GSPH (d) FNQE
  10. 10.If STAR is written as QZSR, how is TREE written in the same code? (a) EERT (b) DDQS (c) SQDD (d) FFSU
  11. 11.If STAR is written as HGZI, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) GRQJ (d) ITSL
  12. 12.If KITE is written as IGRC, how is RAIN written in the same code? (a) OXFK (b) PYGL (c) QZHM (d) TCKP
  13. 13.If PARK is written as JQZO, how is MILK written in the same code? (a) KLIM (b) LMJN (c) LHKJ (d) JKHL
  14. 14.If COLD is written as CKNB, how is WIND written in the same code? (a) EOJX (b) VHMC (c) CMHV (d) DNIW
  15. 15.If FISH is written as HSIF, how is DOG written in the same code? (a) HPE (b) FNC (c) GOD (d) EPH
  16. 16.If RAIN is written as QZHM, how is BOAT written in the same code? (a) BOAT (b) ZMYR (c) ANZS (d) CPBU
  17. 17.If MOON is written as MNNL, how is SUN written in the same code? (a) OVT (b) NUS (c) RTM (d) MTR
  18. 18.If PARK is written as LSBQ, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) KOOB (d) CPPL
  19. 19.If NEST is written as LCQR, how is MILK written in the same code? (a) JFIH (b) LHKJ (c) OKNM (d) KGJI
  20. 20.If KITE is written as IGRC, how is DOG written in the same code? (a) ALD (b) FQI (c) BME (d) CNF
  21. 21.If BOAT is written as TAOB, how is GOLD written in the same code? (a) HPME (b) EMPH (c) DLOG (d) CKNF
  22. 22.If CAKE is written as BZJD, how is BELL written in the same code? (a) ADKK (b) BELL (c) CFMM (d) ZCJJ
  23. 23.If FISH is written as HSIF, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
  24. 24.If TOYS is written as UAQV, how is FISH written in the same code? (a) HKUJ (b) HSIF (c) JUKH (d) FQGD
  25. 25.If TREE is written as GGTV, how is HAND written in the same code? (a) BLYF (b) JCPF (c) FPCJ (d) DNAH
  26. 26.If LAMP is written as OZNK, how is DESK written in the same code? (a) EFTL (b) VUGO (c) XWIQ (d) WVHP
  27. 27.If TREE is written as EERT, how is BALL written in the same code? (a) KKZA (b) LLAB (c) CBMM (d) MMBC
  28. 28.If COLD is written as FNQE, how is RAIN written in the same code? (a) LGYP (b) TCKP (c) PKCT (d) NIAR
  29. 29.If DOG is written as BME, how is RAIN written in the same code? (a) PYGL (b) TCKP (c) OXFK (d) QZHM
  30. 30.If FISH is written as HSIF, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) KOOB (d) CPPL
  31. 31.If BOOK is written as ERRN, how is LION written in the same code? (a) PMSR (b) OLRQ (c) IFLK (d) NKQP
  32. 32.If STAR is written as SBUT, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
  33. 33.If LAMP is written as PMAL, how is STAR written in the same code? (a) SBUT (b) TUBS (c) QZSR (d) RATS
  34. 34.If CAKE is written as GMCE, how is COLD written in the same code? (a) EQNF (b) DLOC (c) FNQE (d) BJMA
  35. 35.If WIND is written as DRMW, how is CAKE written in the same code? (a) WYOU (b) XZPV (c) DBLF (d) YAQW
  36. 36.If TREE is written as WUHH, how is LION written in the same code? (a) OLRQ (b) NKQP (c) IFLK (d) PMSR
  37. 37.If FISH is written as JUKH, how is HAND written in the same code? (a) FPCJ (b) BLYF (c) JCPF (d) DNAH
  38. 38.If TOYS is written as GLBH, how is PARK written in the same code? (a) LAJQ (b) JYHO (c) QBSL (d) KZIP
  39. 39.If CAT is written as TAC, how is DESK written in the same code? (a) JRDC (b) EFTL (c) KSED (d) LTFE
  40. 40.If MOON is written as OPPN, how is SUN written in the same code? (a) MTR (b) TVO (c) NUS (d) OVT

Answer key

  1. PQQO
  2. ITJG
  3. RPCC
  4. HSIF
  5. UILT
  6. GIVV
  7. NROP
  8. GSPH
  9. HPSG
  10. DDQS
  11. HSRK
  12. PYGL
  13. JKHL
  14. CMHV
  15. GOD
  16. ANZS
  17. MTR
  18. LPPC
  19. KGJI
  20. BME
  21. DLOG
  22. ADKK
  23. EERT
  24. JUKH
  25. FPCJ
  26. WVHP
  27. LLAB
  28. PKCT
  29. PYGL
  30. KOOB
  31. OLRQ
  32. LSBQ
  33. RATS
  34. FNQE
  35. XZPV
  36. OLRQ
  37. FPCJ
  38. KZIP
  39. KSED
  40. OVT

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