Rojana GK – Daily Current Affairs, GK Notes & Competitive Exam Questions (UPSC, SSC, Bank, Railway)

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. यदि FIRE = 46, तो WATER = ? / If FIRE = 46, then WATER = ?

2. यदि TEA = 31, तो COFFEE = ? / If TEA = 31, then COFFEE = ?

3. यदि PEN = 32, तो PENCIL = ? / If PEN = 32, then PENCIL = ?

4. यदि SCHOOL = 77, तो COLLEGE = ? / If SCHOOL = 77, then COLLEGE = ?

5. यदि FLOWER = 79, तो GARDEN = ? / If FLOWER = 79, then GARDEN = ?

6. यदि DOOR = 52, तो WINDOW = ? / If DOOR = 52, then WINDOW = ?

7. यदि MOON = 57, तो STAR = ? / If MOON = 57, then STAR = ?

8. यदि DOG = 26, तो CAT = ? / If DOG = 26, then CAT = ?

9. यदि HONEY = 75, तो SUGAR = ? / If HONEY = 75, then SUGAR = ?

10. यदि HEART = 52, तो LUNGS = ? / If HEART = 52, then LUNGS = ?

11. यदि PHONE = 60, तो MOBILE = ? / If PHONE = 60, then MOBILE = ?

12. यदि TEACHER = 70, तो PRINCIPAL = ? / If TEACHER = 70, then PRINCIPAL = ?

13. यदि SOLDIER = 80, तो COMMANDER = ? / If SOLDIER = 80, then COMMANDER = ?

14. यदि KING = 47, तो QUEEN = ? / If KING = 47, then QUEEN = ?

15. यदि PAPER = 58, तो PENCIL = ? / If PAPER = 58, then PENCIL = ?

16. यदि CHAIR = 45, तो TABLE = ? / If CHAIR = 45, then TABLE = ?

17. यदि STUDENT = 84, तो TEACHER = ? / If STUDENT = 84, then TEACHER = ?

18. यदि DAY = 30, तो NIGHT = ? / If DAY = 30, then NIGHT = ?

19. यदि APPLE = 50, तो BANANA = ? / If APPLE = 50, then BANANA = ?

20. यदि WATER = 63, तो JOOSE = ? / If WATER = 63, then JOOSE = ?

21. यदि INDIA = 47, तो CHINA = ? / If INDIA = 47, then CHINA = ?

22. यदि EARTH = 52, तो PLANET = ? / If EARTH = 52, then PLANET = ?

23. यदि METAL = 57, तो IRON = ? / If METAL = 57, then IRON = ?

24. यदि WOMAN = 69, तो MAN = ? / If WOMAN = 69, then MAN = ?

25. यदि DOCTOR = 83, तो NURSE = ? / If DOCTOR = 83, then NURSE = ?

26. यदि ANIMAL = 63, तो BIRD = ? / If ANIMAL = 63, then BIRD = ?

27. यदि FOREST = 72, तो TREE = ? / If FOREST = 72, then TREE = ?

28. यदि LIGHT = 52, तो DARKNESS = ? / If LIGHT = 52, then DARKNESS = ?

29. यदि SUGAR = 80, तो SWEET = ? / If SUGAR = 80, then SWEET = ?

30. If in a certain code, DELHI is written as EFMIJ, how is MUMBAI written in that code? / यदि किसी कोड में DELHI को EFMIJ लिखा जाता है, तो MUMBAI को कैसे लिखा जाएगा?

31. In a code, TABLE is written as UDCMF. How is CHAIR written? / यदि TABLE को UDCMF लिखा जाता है, तो CHAIR को कैसे लिखा जाएगा?

32. If FLOWER = GMQXFS, then GARDEN = ? / यदि FLOWER = GMQXFS, तो GARDEN = ?

33. If APPLE = BQQMF, then ORANGE = ? / यदि APPLE = BQQMF, तो ORANGE = ?

34. In a code language, SUGAR is written as TVHBS. What is the code for MILK? / यदि किसी कोड भाषा में SUGAR को TVHBS लिखा जाता है, तो MILK को कैसे लिखा जाएगा?

35. If CODE is written as DPEF, then DATA will be written as / यदि CODE को DPEF लिखा जाता है, तो DATA को कैसे लिखा जाएगा?

36. In a code language, MANGO is coded as NBOHP. How is FRUIT written in that language? / यदि MANGO को NBOHP लिखा जाता है, तो FRUIT को कैसे लिखा जाएगा?

37. If SUN = TVQ, then STAR = ? / यदि SUN = TVQ, तो STAR = ?

38. If BOY is written as CPZ, how will GIRL be coded? / यदि BOY को CPZ लिखा जाता है, तो GIRL को कैसे लिखा जाएगा?

39. If PEN = QFO, then INK = ? / यदि PEN = QFO, तो INK = ?

40. यदि ‘SCHOOL’ को ‘UENQNN’ के रूप में कोड किया गया है, तो ‘COLLEGE’ को कैसे कोड किया जाएगा? / If ‘SCHOOL’ is coded as ‘UENQNN’, then how will ‘COLLEGE’ be coded?

41. यदि ‘TRAIN’ को ‘VTCKP’ के रूप में कोड किया गया है, तो ‘PLANE’ का कोड क्या होगा? / If ‘TRAIN’ is coded as ‘VTCKP’, what will be the code for ‘PLANE’?

42. यदि ‘APPLE’ को ‘DSSOH’ के रूप में लिखा जाता है, तो ‘MANGO’ को कैसे लिखा जाएगा? / If ‘APPLE’ is written as ‘DSSOH’, how will ‘MANGO’ be written?

43. यदि ‘BOOK’ = 43 और ‘PEN’ = 35 है, तो ‘COPY’ का मान क्या होगा? / If ‘BOOK’ = 43 and ‘PEN’ = 35, what will be the value of ‘COPY’?

44. यदि ‘WATER’ को ‘XBUFQ’ के रूप में कोड किया गया है, तो ‘EARTH’ को कैसे कोड किया जाएगा? / If ‘WATER’ is coded as ‘XBUFQ’, how will ‘EARTH’ be coded?

45. यदि ‘HAND’ को ‘JCPF’ के रूप में लिखा गया है, तो ‘LEG’ को कैसे लिखा जाएगा? / If ‘HAND’ is written as ‘JCPF’, how will ‘LEG’ be written?

46. यदि ‘LIGHT’ को ‘NKIJV’ के रूप में कोड किया गया है, तो ‘BRIGHT’ को कैसे कोड किया जाएगा? / If ‘LIGHT’ is coded as ‘NKIJV’, how will ‘BRIGHT’ be coded?

47. यदि ‘KING’ को ‘JMHF’ के रूप में कोड किया गया है, तो ‘QUEEN’ का कोड क्या होगा? / If ‘KING’ is coded as ‘JMHF’, what will be the code for ‘QUEEN’?

48. यदि ‘FISH’ = ‘GJTI’, तो ‘BIRD’ का कोड क्या होगा? / If ‘FISH’ = ‘GJTI’, then what is the code for ‘BIRD’?

49. यदि ‘DOCTOR’ को ‘GRFWRU’ लिखा गया है, तो ‘NURSE’ को कैसे लिखा जाएगा? / If ‘DOCTOR’ is written as ‘GRFWRU’, how will ‘NURSE’ be written?

50. यदि ‘FRUIT’ को ‘HTWKV’ के रूप में कोड किया गया है, तो ‘VEGETABLE’ को कैसे लिखा जाएगा? / If ‘FRUIT’ is coded as ‘HTWKV’, how will ‘VEGETABLE’ be written?

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. यदि FIRE﻿ = 46, तो WATER﻿ = ? / If FIRE﻿ = 46, then WATER﻿ = ?

2. यदि TEA﻿ = 31, तो COFFEE﻿ = ? / If TEA﻿ = 31, then COFFEE﻿ = ?

3. यदि PEN﻿ = 32, तो PENCIL﻿ = ? / If PEN﻿ = 32, then PENCIL﻿ = ?

4. यदि SCHOOL﻿ = 77, तो COLLEGE﻿ = ? / If SCHOOL﻿ = 77, then COLLEGE﻿ = ?

5. यदि FLOWER﻿ = 79, तो GARDEN﻿ = ? / If FLOWER﻿ = 79, then GARDEN﻿ = ?

6. यदि DOOR﻿ = 52, तो WINDOW﻿ = ? / If DOOR﻿ = 52, then WINDOW﻿ = ?

7. यदि MOON﻿ = 57, तो STAR﻿ = ? / If MOON﻿ = 57, then STAR﻿ = ?

8. यदि DOG﻿ = 26, तो CAT﻿ = ? / If DOG﻿ = 26, then CAT﻿ = ?

9. यदि HONEY﻿ = 75, तो SUGAR﻿ = ? / If HONEY﻿ = 75, then SUGAR﻿ = ?

10. यदि HEART﻿ = 52, तो LUNGS﻿ = ? / If HEART﻿ = 52, then LUNGS﻿ = ?

11. यदि PHONE﻿ = 60, तो MOBILE﻿ = ? / If PHONE﻿ = 60, then MOBILE﻿ = ?

12. यदि TEACHER﻿ = 70, तो PRINCIPAL﻿ = ? / If TEACHER﻿ = 70, then PRINCIPAL﻿ = ?

13. यदि SOLDIER﻿ = 80, तो COMMANDER﻿ = ? / If SOLDIER﻿ = 80, then COMMANDER﻿ = ?

14. यदि KING﻿ = 47, तो QUEEN﻿ = ? / If KING﻿ = 47, then QUEEN﻿ = ?

15. यदि PAPER﻿ = 58, तो PENCIL﻿ = ? / If PAPER﻿ = 58, then PENCIL﻿ = ?

16. यदि CHAIR﻿ = 45, तो TABLE﻿ = ? / If CHAIR﻿ = 45, then TABLE﻿ = ?

17. यदि STUDENT﻿ = 84, तो TEACHER﻿ = ? / If STUDENT﻿ = 84, then TEACHER﻿ = ?

18. यदि DAY﻿ = 30, तो NIGHT﻿ = ? / If DAY﻿ = 30, then NIGHT﻿ = ?

19. यदि APPLE﻿ = 50, तो BANANA﻿ = ? / If APPLE﻿ = 50, then BANANA﻿ = ?

20. यदि WATER﻿ = 63, तो JOOSE﻿ = ? / If WATER﻿ = 63, then JOOSE﻿ = ?

21. यदि INDIA﻿ = 47, तो CHINA﻿ = ? / If INDIA﻿ = 47, then CHINA﻿ = ?

22. यदि EARTH﻿ = 52, तो PLANET﻿ = ? / If EARTH﻿ = 52, then PLANET﻿ = ?

23. यदि METAL﻿ = 57, तो IRON﻿ = ? / If METAL﻿ = 57, then IRON﻿ = ?

24. यदि WOMAN﻿ = 69, तो MAN﻿ = ? / If WOMAN﻿ = 69, then MAN﻿ = ?

25. यदि DOCTOR﻿ = 83, तो NURSE﻿ = ? / If DOCTOR﻿ = 83, then NURSE﻿ = ?

26. यदि ANIMAL﻿ = 63, तो BIRD﻿ = ? / If ANIMAL﻿ = 63, then BIRD﻿ = ?

27. यदि FOREST﻿ = 72, तो TREE﻿ = ? / If FOREST﻿ = 72, then TREE﻿ = ?

28. यदि LIGHT﻿ = 52, तो DARKNESS﻿ = ? / If LIGHT﻿ = 52, then DARKNESS﻿ = ?

29. यदि SUGAR﻿ = 80, तो SWEET﻿ = ? / If SUGAR﻿ = 80, then SWEET﻿ = ?

30. If in a certain code, DELHI﻿ is written as EFMIJ﻿, how is MUMBAI﻿ written in that code? / यदि किसी कोड में DELHI﻿ को EFMIJ﻿ लिखा जाता है, तो MUMBAI﻿ को कैसे लिखा जाएगा?

31. In a code, TABLE﻿ is written as UDCMF﻿. How is CHAIR﻿ written? / यदि TABLE﻿ को UDCMF﻿ लिखा जाता है, तो CHAIR﻿ को कैसे लिखा जाएगा?

32. If FLOWER﻿ = GMQXFS﻿, then GARDEN﻿ = ? / यदि FLOWER﻿ = GMQXFS﻿, तो GARDEN﻿ = ?

33. If APPLE﻿ = BQQMF﻿, then ORANGE﻿ = ? / यदि APPLE﻿ = BQQMF﻿, तो ORANGE﻿ = ?

34. In a code language, SUGAR﻿ is written as TVHBS﻿. What is the code for MILK﻿? / यदि किसी कोड भाषा में SUGAR﻿ को TVHBS﻿ लिखा जाता है, तो MILK﻿ को कैसे लिखा जाएगा?

35. If CODE﻿ is written as DPEF﻿, then DATA﻿ will be written as / यदि CODE﻿ को DPEF﻿ लिखा जाता है, तो DATA﻿ को कैसे लिखा जाएगा?

36. In a code language, MANGO﻿ is coded as NBOHP﻿. How is FRUIT﻿ written in that language? / यदि MANGO﻿ को NBOHP﻿ लिखा जाता है, तो FRUIT﻿ को कैसे लिखा जाएगा?

37. If SUN﻿ = TVQ﻿, then STAR﻿ = ? / यदि SUN﻿ = TVQ﻿, तो STAR﻿ = ?

38. If BOY﻿ is written as CPZ﻿, how will GIRL﻿ be coded? / यदि BOY﻿ को CPZ﻿ लिखा जाता है, तो GIRL﻿ को कैसे लिखा जाएगा?

39. If PEN﻿ = QFO﻿, then INK﻿ = ? / यदि PEN﻿ = QFO﻿, तो INK﻿ = ?