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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 851 · 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 BELL is written as CFMM, how is DOG written in the same code? (a) HPE (b) FQI (c) CNF (d) EPH
  2. 2.If PARK is written as KRAP, how is NEST written in the same code? (a) UTFO (b) OFTU (c) TSEN (d) SRDM
  3. 3.If GOLD is written as TLOW, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) ESVN (d) VHEM
  4. 4.If DOG is written as IQF, how is MILK written in the same code? (a) OKNM (b) KLIM (c) IJGK (d) MNKO
  5. 5.If DRUM is written as MURD, how is PEN written in the same code? (a) MDO (b) QFO (c) OFQ (d) NEP
  6. 6.If DRUM is written as WIFN, how is COLD written in the same code? (a) YMPX (b) DPME (c) XLOW (d) WKNV
  7. 7.If DRUM is written as WIFN, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) ITSL (d) HSRK
  8. 8.If PEN is written as PGR, how is STAR written in the same code? (a) UVCT (b) PYRQ (c) RATS (d) TCVU
  9. 9.If LAMP is written as OZNK, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
  10. 10.If DRUM is written as OWTF, how is DOG written in the same code? (a) FQI (b) IQF (c) EMB (d) GOD
  11. 11.If FISH is written as URHS, how is HAND written in the same code? (a) IBOE (b) TANX (c) SZMW (d) RYLV
  12. 12.If COLD is written as XLOW, how is PEN written in the same code? (a) LWN (b) QFO (c) JUL (d) KVM
  13. 13.If SHIP is written as PIHS, how is MOON written in the same code? (a) NOOM (b) NPPO (c) OPPN (d) MNNL
  14. 14.If RAIN is written as MHZQ, how is CAT written in the same code? (a) BZS (b) TAC (c) SZB (d) UBD
  15. 15.If LAMP is written as PMAL, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
  16. 16.If PEN is written as NEP, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
  17. 17.If DOG is written as IQF, how is CAKE written in the same code? (a) ECMG (b) CIYA (c) GMCE (d) EKAC
  18. 18.If TOYS is written as VQAU, how is PARK written in the same code? (a) QBSL (b) NYPI (c) SDUN (d) RCTM
  19. 19.If LAMP is written as PMAL, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) OJBS (d) NIAR
  20. 20.If BOOK is written as KOOB, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
  21. 21.If COLD is written as EMPD, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
  22. 22.If PEN is written as KVM, how is MILK written in the same code? (a) NROP (b) NJML (c) MQNO (d) OSPQ
  23. 23.If BOOK is written as LPPC, how is DESK written in the same code? (a) JRDC (b) EFTL (c) KSED (d) LTFE
  24. 24.If BOAT is written as ZMYR, how is CAT written in the same code? (a) ZXQ (b) AYR (c) ECV (d) BZS
  25. 25.If DRUM is written as WIFN, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) RGOL (d) QFNK
  26. 26.If DOG is written as WLT, how is PEN written in the same code? (a) LWN (b) KVM (c) QFO (d) JUL
  27. 27.If STAR is written as RATS, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) NIAR (d) MHZQ
  28. 28.If TREE is written as EERT, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
  29. 29.If DRUM is written as MURD, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) SZNA (d) UBPC
  30. 30.If RAIN is written as IZRM, how is FROG written in the same code? (a) VJMU (b) UILT (c) GSPH (d) THKS
  31. 31.If DOG is written as WLT, how is FISH written in the same code? (a) GJTI (b) URHS (c) VSIT (d) TQGR
  32. 32.If FROG is written as UILT, how is CAT written in the same code? (a) XZG (b) DBU (c) YAH (d) WYF
  33. 33.If SUN is written as HFM, how is FISH written in the same code? (a) GJTI (b) URHS (c) VSIT (d) TQGR
  34. 34.If DRUM is written as WIFN, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
  35. 35.If KITE is written as MKVG, how is DOG written in the same code? (a) GRJ (b) BME (c) EPH (d) FQI
  36. 36.If DESK is written as BCQI, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) PEFM (d) QFGN
  37. 37.If COLD is written as XLOW, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
  38. 38.If PEN is written as KVM, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) JASN (d) HYQL
  39. 39.If DRUM is written as BPSK, how is TREE written in the same code? (a) QOBB (b) RPCC (c) VTGG (d) SQDD
  40. 40.If HAND is written as DNAH, how is TREE written in the same code? (a) EERT (b) FFSU (c) USFF (d) DDQS

Answer key

  1. EPH
  2. TSEN
  3. WIFN
  4. MNKO
  5. NEP
  6. XLOW
  7. HSRK
  8. TCVU
  9. MVHG
  10. IQF
  11. SZMW
  12. KVM
  13. NOOM
  14. SZB
  15. NUS
  16. DLOC
  17. GMCE
  18. RCTM
  19. NIAR
  20. LLAB
  21. OVT
  22. NROP
  23. LTFE
  24. AYR
  25. QFNK
  26. KVM
  27. NIAR
  28. RATS
  29. TAOB
  30. UILT
  31. URHS
  32. XZG
  33. URHS
  34. XZG
  35. FQI
  36. QFGN
  37. XZG
  38. IZRM
  39. RPCC
  40. EERT

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