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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 10 · 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 MOON is written as KMML, how is DRUM written in the same code? (a) CQTL (b) FTWO (c) BPSK (d) AORJ
  2. 2.If PARK is written as KRAP, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) DJZB (d) EKAC
  3. 3.If BOOK is written as CPPL, how is KITE written in the same code? (a) JHSD (b) FUJL (c) MKVG (d) LJUF
  4. 4.If PEN is written as NCL, how is COLD written in the same code? (a) BNKC (b) AMJB (c) ZLIA (d) EQNF
  5. 5.If COLD is written as AMJB, how is DRUM written in the same code? (a) BPSK (b) CQTL (c) FTWO (d) AORJ
  6. 6.If FROG is written as GORF, how is STAR written in the same code? (a) TUBS (b) SBUT (c) RATS (d) QZSR
  7. 7.If MILK is written as NJML, how is LION written in the same code? (a) OPJM (b) MJPO (c) NKQP (d) KHNM
  8. 8.If TREE is written as GIVV, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) JASN (d) SBJO
  9. 9.If DRUM is written as WIFN, how is LAMP written in the same code? (a) OZNK (b) MBNQ (c) NYMJ (d) PAOL
  10. 10.If DESK is written as WVHP, how is COLD written in the same code? (a) XLOW (b) YMPX (c) DPME (d) WKNV
  11. 11.If RAIN is written as IZRM, how is MOON written in the same code? (a) OMMN (b) NPPO (c) NLLM (d) MKKL
  12. 12.If CAKE is written as BZJD, how is LAMP written in the same code? (a) JYKN (b) KZLO (c) MBNQ (d) LAMP
  13. 13.If FROG is written as UILT, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) QFNK (d) RGOL
  14. 14.If KITE is written as ETIK, how is BOAT written in the same code? (a) CPBU (b) SZNA (c) UBPC (d) TAOB
  15. 15.If JUMP is written as MXPS, how is MOON written in the same code? (a) OQQP (b) PRRQ (c) QSSR (d) JLLK
  16. 16.If BELL is written as ZCJJ, how is DOG written in the same code? (a) CNF (b) ALD (c) FQI (d) BME
  17. 17.If TOYS is written as UPZT, how is BOOK written in the same code? (a) DQQM (b) LPPC (c) CPPL (d) ANNJ
  18. 18.If DOG is written as FNC, how is JUMP written in the same code? (a) PMUJ (b) ITLO (c) QNVK (d) OLTI
  19. 19.If DESK is written as JRDC, how is KITE written in the same code? (a) JHSD (b) ETIK (c) DSHJ (d) FUJL
  20. 20.If FISH is written as JUKH, how is BOOK written in the same code? (a) DQQM (b) MQQD (c) IMMZ (d) KOOB
  21. 21.If SUN is written as UWP, how is MILK written in the same code? (a) OKNM (b) PLON (c) KGJI (d) NJML
  22. 22.If SHIP is written as PIHS, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) EMPH (d) HPME
  23. 23.If DESK is written as LTFE, how is FISH written in the same code? (a) HSIF (b) GJTI (c) ITJG (d) GRHE
  24. 24.If TREE is written as EERT, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) QJIT (d) OHGR
  25. 25.If TREE is written as GIVV, how is JUMP written in the same code? (a) RGOL (b) KVNQ (c) PEMJ (d) QFNK
  26. 26.If NEST is written as MDRS, how is LAMP written in the same code? (a) KZLO (b) JYKN (c) MBNQ (d) LAMP
  27. 27.If DESK is written as CDRJ, how is HAND written in the same code? (a) FYLB (b) IBOE (c) GZMC (d) HAND
  28. 28.If LION is written as NOIL, how is DRUM written in the same code? (a) ESVN (b) MURD (c) NVSE (d) LTQC
  29. 29.If CAKE is written as EKAC, how is BALL written in the same code? (a) KKZA (b) CBMM (c) MMBC (d) LLAB
  30. 30.If MILK is written as JKHL, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) BZJD (d) EKAC
  31. 31.If COLD is written as CKNB, how is STAR written in the same code? (a) RATS (b) RSZQ (c) SBUT (d) QZSR
  32. 32.If TREE is written as RPCC, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) OXFK (d) QZHM
  33. 33.If SUN is written as OVT, how is DOG written in the same code? (a) HPE (b) GOD (c) EPH (d) FNC
  34. 34.If RAIN is written as IZRM, how is PEN written in the same code? (a) JUL (b) LWN (c) QFO (d) KVM
  35. 35.If RAIN is written as NIAR, how is BALL written in the same code? (a) CBMM (b) KKZA (c) LLAB (d) MMBC
  36. 36.If NEST is written as PGUV, how is JUMP written in the same code? (a) MXPS (b) LWOR (c) HSKN (d) KVNQ
  37. 37.If JUMP is written as MXPS, how is COLD written in the same code? (a) ZLIA (b) EQNF (c) GSPH (d) FROG
  38. 38.If GOLD is written as IQNF, how is STAR written in the same code? (a) QRYP (b) TUBS (c) VWDU (d) UVCT
  39. 39.If COLD is written as EMPD, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) EKAC (d) FLBD
  40. 40.If MILK is written as NROP, how is DESK written in the same code? (a) EFTL (b) XWIQ (c) VUGO (d) WVHP

Answer key

  1. BPSK
  2. EKAC
  3. LJUF
  4. AMJB
  5. BPSK
  6. RATS
  7. MJPO
  8. IZRM
  9. OZNK
  10. XLOW
  11. NLLM
  12. KZLO
  13. QFNK
  14. TAOB
  15. PRRQ
  16. BME
  17. CPPL
  18. OLTI
  19. DSHJ
  20. MQQD
  21. OKNM
  22. DLOG
  23. ITJG
  24. PIHS
  25. QFNK
  26. KZLO
  27. GZMC
  28. MURD
  29. LLAB
  30. DJZB
  31. QZSR
  32. PYGL
  33. HPE
  34. KVM
  35. LLAB
  36. LWOR
  37. FROG
  38. UVCT
  39. FLBD
  40. WVHP

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