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Coding–Decoding - Letter, Number, Substitution, Mixed Coding, Decoding Messages - MCQ Questions with Answers for Competitive Exams 2025

Practice important Coding–Decoding questions for competitive exams like UPSC, SSC CGL, SSC CHSL, Banking (IBPS PO, IBPS Clerk, SBI), Railway (RRB NTPC, Group D), and State PSC. Each question includes detailed explanations in Hindi & English to help you understand the concepts thoroughly. Click "View Answer" to see the correct option and explanation.

1. If ‘FOOD’=‘GPPF’, then ‘DRINK’=? / यदि ‘FOOD’=‘GPPF’, तो ‘DRINK’=?

2. If ‘HAND’ = ‘IBOE’, then ‘LEG’ = ? / यदि ‘HAND’ = ‘IBOE’, तो ‘LEG’ = ?

3. ‘BLACK’ = ‘CMBDL’, find ‘WHITE’. / ‘BLACK’=‘CMBDL’, तो ‘WHITE’=?

4. ‘KING’ = ‘NJPI’, then ‘QUEEN’ = ? / ‘KING’=‘NJPI’, तो ‘QUEEN’=?

5. If ‘HEART’ = ‘KHDUW’, what is ‘MIND’? / यदि ‘HEART’=‘KHDUW’, तो ‘MIND’=?

6. In a certain code, ‘ROSE’ = ‘UPVH’, then ‘LILY’ = ? / यदि ‘ROSE’=‘UPVH’, तो ‘LILY’=?

7. If ‘READ’=‘VGDF’, what is ‘WRITE’? / यदि ‘READ’=‘VGDF’, तो ‘WRITE’=?

8. ‘FIRE’=‘HKVG’, then ‘WATER’=? / ‘FIRE’=‘HKVG’, तो ‘WATER’=?

9. If ‘COMPUTER’=‘FRPSXWHU’, find ‘PROGRAM’. / यदि ‘COMPUTER’=‘FRPSXWHU’, तो ‘PROGRAM’=?

10. ‘APPLE’=DSSOI, what is ‘GRAPE’? / ‘APPLE’=DSSOI, तो ‘GRAPE’=?

11. ‘NOTE’=‘RSXI’, find ‘SONG’. / ‘NOTE’=‘RSXI’, तो ‘SONG’=?

12. ‘PEN’=RGP, find ‘INK’. / ‘PEN’=RGP, तो ‘INK’=?

13. ‘PAPER’=SDSHU, find ‘BOOK’. / ‘PAPER’=SDSHU, तो ‘BOOK’=?

14. ‘LOCK’=NPFM, find ‘KEY’. / ‘LOCK’=NPFM, तो ‘KEY’=?

15. ‘GOLD’=JROG, find ‘SILVER’. / ‘GOLD’=JROG, तो ‘SILVER’=?

16. ‘SUN’=‘VXS’, find ‘STAR’. / ‘SUN’=‘VXS’, तो ‘STAR’=?

17. If ‘ROAD’=TQCG, find ‘PATH’. / यदि ‘ROAD’=TQCG, तो ‘PATH’=?

18. ‘FRIEND’=ITLHQG, find ‘ENEMY’. / ‘FRIEND’=ITLHQG, तो ‘ENEMY’=?

19. ‘RAIN’=VGMS, find ‘CLOUD’. / ‘RAIN’=VGMS, तो ‘CLOUD’=?

20. ‘MOUSE’=PRXVH, find ‘RAT’. / ‘MOUSE’=PRXVH, तो ‘RAT’=?

21. ‘TEA’=XIE, find ‘COFFEE’. / ‘TEA’=XIE, तो ‘COFFEE’=?

22. If ‘RAIN’ = ‘UFMS’, then ‘WIND’ = ? / यदि ‘RAIN’ = ‘UFMS’, तो ‘WIND’ = ?

23. ‘COLD’ = ‘FROG’. What is ‘HEAT’? / यदि ‘COLD’ = ‘FROG’, तो ‘HEAT’ क्या होगा?

24. ‘TREE’ = YWIJ, find ‘LEAF’. / ‘TREE’=YWIJ, तो ‘LEAF’=?

25. ‘BOOK’ = ‘FRRO’, find ‘PAGE’. / ‘BOOK’=‘FRRO’, तो ‘PAGE’=?

26. If ‘MIND’ = RNSI, then ‘SOUL’ = ? / यदि ‘MIND’=RNSI, तो ‘SOUL’=?

27. In a code, ‘HEART’ = ‘KIFVW’, what is BRAIN? / किसी कोड में ‘HEART’=‘KIFVW’, तो ‘BRAIN’=?

28. ‘RED’ = ‘VIF’, find ‘BLUE’. / ‘RED’=‘VIF’, तो ‘BLUE’=?

29. ‘FISH’ = ‘HKTU’, find ‘MEAT’. / ‘FISH’=‘HKTU’, तो ‘MEAT’=?

30. If ‘WORD’ = BTSI, what is ‘WRITE’? / यदि ‘WORD’=BTSI, तो ‘WRITE’=?

31. ‘ROAD’ = ‘TPDF’, find ‘WALK’. / ‘ROAD’=‘TPDF’, तो ‘WALK’=?

32. ‘SUN’=XZS, find ‘STAR’. / ‘SUN’=XZS, तो ‘STAR’=?

33. ‘MOON’=‘RRTS’, find ‘PLANET’. / ‘MOON’=‘RRTS’, तो ‘PLANET’=?

34. ‘EYES’=JDJX, find MOUTH. / ‘EYES’=JDJX, तो ‘MOUTH’=?

35. ‘LIGHT’=RQNOT, find DARK. / ‘LIGHT’=RQNOT, तो ‘DARK’=?

36. If ‘RAIN’=‘ZCQV’, find ‘SUN’. / यदि ‘RAIN’=‘ZCQV’, तो ‘SUN’=?

37. ‘TEA’=‘ZNG’, find ‘COFFEE’. / ‘TEA’=‘ZNG’, तो ‘COFFEE’=?

38. ‘CAT’=‘JIA’, find DOG. / ‘CAT’=‘JIA’, तो ‘DOG’=?

39. ‘TREE’=‘AWWJ’, find ‘LEAF’. / ‘TREE’=‘AWWJ’, तो ‘LEAF’=?

40. ‘KING’=‘RPAO’, find ‘QUEEN’. / ‘KING’=‘RPAO’, तो ‘QUEEN’=?

41. ‘WATER’=‘EDZLZ’, find ‘OCEAN’. / ‘WATER’=‘EDZLZ’, तो ‘OCEAN’=?

Important General Knowledge Questions | Coding–Decoding GK in Hindi

Coding–Decoding - Letter, Number, Substitution, Mixed Coding, Decoding Messages - MCQ Questions with Answers for Competitive Exams 2025

1. If ‘FOOD’﻿=‘GPPF’﻿, then ‘DRINK’﻿=? / यदि ‘FOOD’﻿=‘GPPF’﻿, तो ‘DRINK’﻿=?

2. If ‘HAND’﻿ = ‘IBOE’﻿, then ‘LEG’﻿ = ? / यदि ‘HAND’﻿ = ‘IBOE’﻿, तो ‘LEG’﻿ = ?

3. ‘BLACK’﻿ = ‘CMBDL’﻿, find ‘WHITE’﻿. / ‘BLACK’﻿=‘CMBDL’﻿, तो ‘WHITE’﻿=?

4. ‘KING’﻿ = ‘NJPI’﻿, then ‘QUEEN’﻿ = ? / ‘KING’﻿=‘NJPI’﻿, तो ‘QUEEN’﻿=?

5. If ‘HEART’﻿ = ‘KHDUW’﻿, what is ‘MIND’﻿? / यदि ‘HEART’﻿=‘KHDUW’﻿, तो ‘MIND’﻿=?

6. In a certain code, ‘ROSE’﻿ = ‘UPVH’﻿, then ‘LILY’﻿ = ? / यदि ‘ROSE’﻿=‘UPVH’﻿, तो ‘LILY’﻿=?

7. If ‘READ’﻿=‘VGDF’﻿, what is ‘WRITE’﻿? / यदि ‘READ’﻿=‘VGDF’﻿, तो ‘WRITE’﻿=?

8. ‘FIRE’﻿=‘HKVG’﻿, then ‘WATER’﻿=? / ‘FIRE’﻿=‘HKVG’﻿, तो ‘WATER’﻿=?

9. If ‘COMPUTER’﻿=‘FRPSXWHU’﻿, find ‘PROGRAM’﻿. / यदि ‘COMPUTER’﻿=‘FRPSXWHU’﻿, तो ‘PROGRAM’﻿=?

10. ‘APPLE’﻿=DSSOI﻿, what is ‘GRAPE’﻿? / ‘APPLE’﻿=DSSOI﻿, तो ‘GRAPE’﻿=?

11. ‘NOTE’﻿=‘RSXI’﻿, find ‘SONG’﻿. / ‘NOTE’﻿=‘RSXI’﻿, तो ‘SONG’﻿=?

12. ‘PEN’﻿=RGP﻿, find ‘INK’﻿. / ‘PEN’﻿=RGP﻿, तो ‘INK’﻿=?

13. ‘PAPER’﻿=SDSHU﻿, find ‘BOOK’﻿. / ‘PAPER’﻿=SDSHU﻿, तो ‘BOOK’﻿=?

14. ‘LOCK’﻿=NPFM﻿, find ‘KEY’﻿. / ‘LOCK’﻿=NPFM﻿, तो ‘KEY’﻿=?

15. ‘GOLD’﻿=JROG﻿, find ‘SILVER’﻿. / ‘GOLD’﻿=JROG﻿, तो ‘SILVER’﻿=?

16. ‘SUN’﻿=‘VXS’﻿, find ‘STAR’﻿. / ‘SUN’﻿=‘VXS’﻿, तो ‘STAR’﻿=?

17. If ‘ROAD’﻿=TQCG﻿, find ‘PATH’﻿. / यदि ‘ROAD’﻿=TQCG﻿, तो ‘PATH’﻿=?

18. ‘FRIEND’﻿=ITLHQG﻿, find ‘ENEMY’﻿. / ‘FRIEND’﻿=ITLHQG﻿, तो ‘ENEMY’﻿=?

19. ‘RAIN’﻿=VGMS﻿, find ‘CLOUD’﻿. / ‘RAIN’﻿=VGMS﻿, तो ‘CLOUD’﻿=?

20. ‘MOUSE’﻿=PRXVH﻿, find ‘RAT’﻿. / ‘MOUSE’﻿=PRXVH﻿, तो ‘RAT’﻿=?

21. ‘TEA’﻿=XIE﻿, find ‘COFFEE’﻿. / ‘TEA’﻿=XIE﻿, तो ‘COFFEE’﻿=?

22. If ‘RAIN’﻿ = ‘UFMS’﻿, then ‘WIND’﻿ = ? / यदि ‘RAIN’﻿ = ‘UFMS’﻿, तो ‘WIND’﻿ = ?

23. ‘COLD’﻿ = ‘FROG’﻿. What is ‘HEAT’﻿? / यदि ‘COLD’﻿ = ‘FROG’﻿, तो ‘HEAT’﻿ क्या होगा?

24. ‘TREE’﻿ = YWIJ﻿, find ‘LEAF’﻿. / ‘TREE’﻿=YWIJ﻿, तो ‘LEAF’﻿=?

25. ‘BOOK’﻿ = ‘FRRO’﻿, find ‘PAGE’﻿. / ‘BOOK’﻿=‘FRRO’﻿, तो ‘PAGE’﻿=?

26. If ‘MIND’﻿ = RNSI﻿, then ‘SOUL’﻿ = ? / यदि ‘MIND’﻿=RNSI﻿, तो ‘SOUL’﻿=?

27. In a code, ‘HEART’﻿ = ‘KIFVW’﻿, what is BRAIN﻿? / किसी कोड में ‘HEART’﻿=‘KIFVW’﻿, तो ‘BRAIN’﻿=?

28. ‘RED’﻿ = ‘VIF’﻿, find ‘BLUE’﻿. / ‘RED’﻿=‘VIF’﻿, तो ‘BLUE’﻿=?

29. ‘FISH’﻿ = ‘HKTU’﻿, find ‘MEAT’﻿. / ‘FISH’﻿=‘HKTU’﻿, तो ‘MEAT’﻿=?

30. If ‘WORD’﻿ = BTSI﻿, what is ‘WRITE’﻿? / यदि ‘WORD’﻿=BTSI﻿, तो ‘WRITE’﻿=?

31. ‘ROAD’﻿ = ‘TPDF’﻿, find ‘WALK’﻿. / ‘ROAD’﻿=‘TPDF’﻿, तो ‘WALK’﻿=?

32. ‘SUN’﻿=XZS﻿, find ‘STAR’﻿. / ‘SUN’﻿=XZS﻿, तो ‘STAR’﻿=?

33. ‘MOON’﻿=‘RRTS’﻿, find ‘PLANET’﻿. / ‘MOON’﻿=‘RRTS’﻿, तो ‘PLANET’﻿=?

34. ‘EYES’﻿=JDJX﻿, find MOUTH﻿. / ‘EYES’﻿=JDJX﻿, तो ‘MOUTH’﻿=?

35. ‘LIGHT’﻿=RQNOT﻿, find DARK﻿. / ‘LIGHT’﻿=RQNOT﻿, तो ‘DARK’﻿=?

36. If ‘RAIN’﻿=‘ZCQV’﻿, find ‘SUN’﻿. / यदि ‘RAIN’﻿=‘ZCQV’﻿, तो ‘SUN’﻿=?

37. ‘TEA’﻿=‘ZNG’﻿, find ‘COFFEE’﻿. / ‘TEA’﻿=‘ZNG’﻿, तो ‘COFFEE’﻿=?

38. ‘CAT’﻿=‘JIA’﻿, find DOG﻿. / ‘CAT’﻿=‘JIA’﻿, तो ‘DOG’﻿=?

39. ‘TREE’﻿=‘AWWJ’﻿, find ‘LEAF’﻿. / ‘TREE’﻿=‘AWWJ’﻿, तो ‘LEAF’﻿=?

40. ‘KING’﻿=‘RPAO’﻿, find ‘QUEEN’﻿. / ‘KING’﻿=‘RPAO’﻿, तो ‘QUEEN’﻿=?

41. ‘WATER’﻿=‘EDZLZ’﻿, find ‘OCEAN’﻿. / ‘WATER’﻿=‘EDZLZ’﻿, तो ‘OCEAN’﻿=?

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