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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 933 · 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 RAIN is written as NIAR, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
  2. 2.If DOG is written as WLT, how is FISH written in the same code? (a) VSIT (b) GJTI (c) URHS (d) TQGR
  3. 3.If NEST is written as TSEN, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NOOM (d) NPPO
  4. 4.If DOG is written as GOD, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) SBJO (d) NIAR
  5. 5.If SHIP is written as HSRK, how is BELL written in the same code? (a) CFMM (b) ZWPP (c) XUNN (d) YVOO
  6. 6.If LION is written as PQKN, how is HAND written in the same code? (a) JCPF (b) BLYF (c) FPCJ (d) DNAH
  7. 7.If PEN is written as NEP, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
  8. 8.If LION is written as ORLM, how is PARK written in the same code? (a) LAJQ (b) JYHO (c) QBSL (d) KZIP
  9. 9.If WIND is written as UGLB, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) QFGN (d) PEFM
  10. 10.If COLD is written as EQNF, how is DRUM written in the same code? (a) BPSK (b) ESVN (c) FTWO (d) GUXP
  11. 11.If DESK is written as CDRJ, how is SUN written in the same code? (a) QSL (b) SUN (c) RTM (d) TVO
  12. 12.If TREE is written as FFSU, how is CAT written in the same code? (a) TAC (b) DBU (c) UBD (d) SZB
  13. 13.If BELL is written as YVOO, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) HSRK (d) TIJQ
  14. 14.If TOYS is written as GLBH, how is TREE written in the same code? (a) USFF (b) FHUU (c) GIVV (d) HJWW
  15. 15.If WIND is written as XJOE, how is JUMP written in the same code? (a) ITLO (b) QNVK (c) LWOR (d) KVNQ
  16. 16.If BELL is written as EHOO, how is RAIN written in the same code? (a) VEMR (b) UDLQ (c) TCKP (d) OXFK
  17. 17.If FISH is written as HSIF, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
  18. 18.If CAKE is written as ECMG, how is NEST written in the same code? (a) QHVW (b) LCQR (c) OFTU (d) PGUV
  19. 19.If KITE is written as MKVG, how is BELL written in the same code? (a) ZCJJ (b) EHOO (c) DGNN (d) CFMM
  20. 20.If SUN is written as NUS, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) HPME
  21. 21.If LION is written as ORLM, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
  22. 22.If BOAT is written as CPBU, how is TREE written in the same code? (a) FFSU (b) VTGG (c) USFF (d) SQDD
  23. 23.If PARK is written as KZIP, how is DRUM written in the same code? (a) ESVN (b) XJGO (c) WIFN (d) VHEM
  24. 24.If JUMP is written as QFNK, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
  25. 25.If HAND is written as SZMW, how is MOON written in the same code? (a) MKKL (b) NLLM (c) NPPO (d) OMMN
  26. 26.If TOYS is written as SYOT, how is FISH written in the same code? (a) GRHE (b) HSIF (c) ITJG (d) GJTI
  27. 27.If PARK is written as KZIP, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) NYMJ (d) MBNQ
  28. 28.If DOG is written as GOD, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DPME (d) DLOC
  29. 29.If MILK is written as LMJN, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
  30. 30.If STAR is written as RSZQ, how is FISH written in the same code? (a) EHRG (b) FISH (c) GJTI (d) DGQF
  31. 31.If SHIP is written as TIJQ, how is NEST written in the same code? (a) UTFO (b) MDRS (c) OFTU (d) PGUV
  32. 32.If FROG is written as UILT, how is BELL written in the same code? (a) YVOO (b) CFMM (c) ZWPP (d) XUNN
  33. 33.If BELL is written as CFMM, how is JUMP written in the same code? (a) ITLO (b) KVNQ (c) QNVK (d) LWOR
  34. 34.If DOG is written as GOD, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
  35. 35.If SUN is written as RTM, how is DRUM written in the same code? (a) DRUM (b) BPSK (c) CQTL (d) ESVN
  36. 36.If TREE is written as VTGG, how is MILK written in the same code? (a) KGJI (b) PLON (c) OKNM (d) NJML
  37. 37.If TREE is written as GIVV, how is FISH written in the same code? (a) GJTI (b) URHS (c) VSIT (d) TQGR
  38. 38.If FROG is written as EQNF, how is PEN written in the same code? (a) QFO (b) PEN (c) ODM (d) NCL
  39. 39.If PARK is written as JQZO, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) ODM
  40. 40.If MILK is written as NROP, how is LAMP written in the same code? (a) NYMJ (b) MBNQ (c) OZNK (d) PAOL

Answer key

  1. TAC
  2. URHS
  3. NOOM
  4. NIAR
  5. YVOO
  6. FPCJ
  7. LLAB
  8. KZIP
  9. QFGN
  10. FTWO
  11. RTM
  12. UBD
  13. HSRK
  14. GIVV
  15. KVNQ
  16. UDLQ
  17. NOIL
  18. PGUV
  19. DGNN
  20. DLOG
  21. HSRK
  22. USFF
  23. WIFN
  24. GLBH
  25. NLLM
  26. HSIF
  27. OZNK
  28. DLOC
  29. OPPN
  30. EHRG
  31. OFTU
  32. YVOO
  33. KVNQ
  34. KSED
  35. CQTL
  36. OKNM
  37. URHS
  38. ODM
  39. MDO
  40. OZNK

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