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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 340 · 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 OVT, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
  2. 2.If COLD is written as DLOC, how is DESK written in the same code? (a) JRDC (b) LTFE (c) KSED (d) EFTL
  3. 3.If TREE is written as EERT, how is MOON written in the same code? (a) MNNL (b) NOOM (c) OPPN (d) NPPO
  4. 4.If TOYS is written as RXNS, how is CAT written in the same code? (a) SZB (b) BZS (c) TAC (d) UBD
  5. 5.If CAT is written as XZG, how is FROG written in the same code? (a) THKS (b) VJMU (c) UILT (d) GSPH
  6. 6.If STAR is written as QRYP, how is MOON written in the same code? (a) OQQP (b) LNNM (c) KMML (d) JLLK
  7. 7.If JUMP is written as ROWL, how is COLD written in the same code? (a) EQNF (b) FNQE (c) DLOC (d) BJMA
  8. 8.If FISH is written as HSIF, how is TREE written in the same code? (a) FFSU (b) EERT (c) USFF (d) DDQS
  9. 9.If GOLD is written as EMJB, how is KITE written in the same code? (a) JHSD (b) HFQB (c) MKVG (d) IGRC
  10. 10.If MILK is written as NROP, how is PEN written in the same code? (a) LWN (b) QFO (c) KVM (d) JUL
  11. 11.If LAMP is written as JYKN, how is TOYS written in the same code? (a) RMWQ (b) SNXR (c) QLVP (d) VQAU
  12. 12.If KITE is written as DSHJ, how is MOON written in the same code? (a) OPPN (b) NOOM (c) LNNM (d) MNNL
  13. 13.If STAR is written as RATS, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
  14. 14.If LAMP is written as OZNK, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) UPZT (d) GLBH
  15. 15.If BOOK is written as KOOB, how is LION written in the same code? (a) NOIL (b) OPJM (c) MNHK (d) MJPO
  16. 16.If LION is written as OPJM, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
  17. 17.If CAT is written as SZB, how is STAR written in the same code? (a) RSZQ (b) SBUT (c) QZSR (d) RATS
  18. 18.If WIND is written as CMHV, how is DESK written in the same code? (a) KSED (b) CDRJ (c) JRDC (d) LTFE
  19. 19.If BOAT is written as TAOB, how is TREE written in the same code? (a) USFF (b) FFSU (c) EERT (d) DDQS
  20. 20.If CAT is written as VCE, how is LION written in the same code? (a) NKQP (b) LMGJ (c) NOIL (d) PQKN
  21. 21.If NEST is written as MVHG, how is DESK written in the same code? (a) VUGO (b) EFTL (c) XWIQ (d) WVHP
  22. 22.If MOON is written as NOOM, how is BALL written in the same code? (a) KKZA (b) CBMM (c) MMBC (d) LLAB
  23. 23.If GOLD is written as JROG, how is FROG written in the same code? (a) COLD (b) JVSK (c) IURJ (d) HTQI
  24. 24.If TREE is written as GIVV, how is WIND written in the same code? (a) XJOE (b) ESNX (c) DRMW (d) CQLV
  25. 25.If BOOK is written as LPPC, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) TAOB (d) CPBU
  26. 26.If DOG is written as FNC, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) ODM
  27. 27.If BOAT is written as UBPC, how is MOON written in the same code? (a) NPPO (b) NOOM (c) MNNL (d) OPPN
  28. 28.If BOOK is written as CPPL, how is RAIN written in the same code? (a) TCKP (b) QZHM (c) SBJO (d) OJBS
  29. 29.If KITE is written as DSHJ, how is LAMP written in the same code? (a) KZLO (b) QNBM (c) PMAL (d) OLZK
  30. 30.If BOAT is written as TAOB, how is CAT written in the same code? (a) UBD (b) DBU (c) SZB (d) TAC
  31. 31.If BOAT is written as TAOB, how is GOLD written in the same code? (a) HPME (b) CKNF (c) DLOG (d) EMPH
  32. 32.If LION is written as ORLM, how is FISH written in the same code? (a) GJTI (b) URHS (c) TQGR (d) VSIT
  33. 33.If DRUM is written as GUXP, how is TREE written in the same code? (a) WUHH (b) QOBB (c) XVII (d) VTGG
  34. 34.If CAT is written as XZG, how is BOAT written in the same code? (a) ZMAH (b) YLZG (c) XKYF (d) CPBU
  35. 35.If LAMP is written as PMAL, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) PMUJ (d) KVNQ
  36. 36.If CAT is written as ECV, how is RAIN written in the same code? (a) PYGL (b) UDLQ (c) TCKP (d) SBJO
  37. 37.If PEN is written as NEP, how is LION written in the same code? (a) OPJM (b) NOIL (c) MJPO (d) MNHK
  38. 38.If BALL is written as LLAB, how is DESK written in the same code? (a) LTFE (b) JRDC (c) KSED (d) EFTL
  39. 39.If RAIN is written as IZRM, how is TREE written in the same code? (a) GIVV (b) USFF (c) HJWW (d) FHUU
  40. 40.If LION is written as NOIL, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB

Answer key

  1. FLBD
  2. KSED
  3. NOOM
  4. SZB
  5. UILT
  6. KMML
  7. FNQE
  8. EERT
  9. IGRC
  10. KVM
  11. RMWQ
  12. MNNL
  13. EERT
  14. GLBH
  15. NOIL
  16. HPE
  17. QZSR
  18. JRDC
  19. EERT
  20. PQKN
  21. WVHP
  22. LLAB
  23. IURJ
  24. DRMW
  25. UBPC
  26. MDO
  27. OPPN
  28. SBJO
  29. OLZK
  30. TAC
  31. DLOG
  32. URHS
  33. WUHH
  34. YLZG
  35. PMUJ
  36. TCKP
  37. NOIL
  38. KSED
  39. GIVV
  40. LLAB

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