50 हार्ड लेवल Repeated Number Series Questions with Answers and Tricks – CET/SSC/HCS के लिए CET, SSC और HCS परीक्षा के लिए 50 Repeated Number Series प्रश्नों का संग्रह – हर सवाल के साथ उत्तर और विस्तारपूर्वक व्याख्या। इन सवालों में पैटर्न, लॉजिक और स्मार्ट ट्रिक दी गई है जिससे आप नंबर सीरीज की कोई भी कठिन क्विज आसानी से हल कर सकें। Pritam द्वारा GyaanPediya ब्लॉग पर प्रस्तुत। Repeated Number Series Questions in Hindi, CET Reasoning Practice, SSC Hard Level Reasoning, Haryana CET Reasoning Tricks, Number Series Quiz with Answers, Number Series Repeated Pattern, GyaanPediya Reasoning Questions, CET 2025 Preparation, SSC Number Series MCQ, High Level Reasoning Tricks in Hindi, Number Series Explanation Hindi
🔢 Q1. 5, 10, 15, 10, 5, 5, 10, 15, 10, ?
उत्तर: 5
Explanation:
पैटर्न:
-
बढ़ता क्रम: 5 → 10 → 15
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फिर घटता: 10 → 5
-
अब उसी क्रम का दोहराव
👉 अगला = 5
🔢 Q2. 3, 6, 9, 12, 3, 6, 9, 12, 3, ?
उत्तर: 6
Explanation:
हर चौथे स्थान पर पैटर्न रिपीट हो रहा है
-
Block 1: 3, 6, 9, 12
-
Block 2: 3, 6, 9, 12
👉 अगला Block स्टार्ट होगा 3 → 6
🔢 Q3. 2, 3, 5, 2, 3, 5, 2, 3, ?
उत्तर: 5
Explanation:
हर 3 नंबर का सेट दोहर रहा है
-
2, 3, 5
👉 अगला = 5
🔢 Q4. 1, 2, 3, 6, 1, 2, 3, 6, 1, ?
उत्तर: 2
Explanation:
Pattern:
-
1 + 2 + 3 = 6
हर चार अंकों में दोहराव
👉 1 → 2 → 3 → 6 → 1 → 2 → 3 → 6...
🔢 Q5. 121, 144, 169, 121, 144, ?, 121
उत्तर: 169
Explanation:
यह Square Pattern है:
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121 = 11²
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144 = 12²
-
169 = 13²
हर तीन नंबर के बाद वही पैटर्न रिपीट
👉 Missing = 169 (13²)
🔢 Q6. 1, 4, 2, 5, 3, 6, 1, 4, ?
उत्तर: 2
Explanation:
Alternate Series Split:
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Series A: 1 → 2 → 3 → 1...
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Series B: 4 → 5 → 6 → 4...
👉 Next A = 2
🔢 Q7. 7, 11, 7, 13, 7, 15, 7, ?
उत्तर: 17
Explanation:
-
हर Alternate place पर "7" है
-
बीच-बीच में नंबर बढ़ रहे हैं: 11 → 13 → 15 → ?
👉 अगला = 17
🔢 Q8. 100, 200, 300, 100, 200, 300, ?, ?
उत्तर: 100, 200
Explanation:
हर 3 नंबर में Loop चल रहा है:
100 → 200 → 300
👉 अगला = 100 → 200
🔢 Q9. 10, 20, 30, 15, 25, 35, 10, 20, ?
उत्तर: 30
Explanation:
Two interleaved series:
-
Series A: 10, 20, 30
-
Series B: 15, 25, 35
फिर से Series A शुरू
👉 अगला = 30
🔢 Q10. 2, 4, 8, 2, 5, 10, 2, 6, ?
उत्तर: 12
Explanation:
Observe the blocks:
-
Block 1: 2 (fixed), 4, 8
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Block 2: 2 (fixed), 5, 10
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Block 3: 2, 6, ?
Pattern in 2nd and 3rd term: 4 → 5 → 6 (+1), 8 → 10 → ? (+2)
👉 Next = 12
🔢 Q11. 6, 9, 12, 15, 6, 9, 12, 15, 6, ?
उत्तर: 9
Logic: Repeating block of 4 numbers
👉 6 → 9 → 12 → 15 → फिर से दोहराव
🔢 Q12. 4, 8, 12, 16, 4, 8, 12, ?, ?
उत्तर: 16, 4
Logic: Block repeat of 4 numbers
👉 4 → 8 → 12 → 16 → repeat
🔢 Q13. 7, 10, 13, 16, 7, ?, ?
उत्तर: 10, 13
Logic: +3 Pattern: 7+3=10+3=13+3=16 → repeat again
🔢 Q14. 1, 2, 1, 4, 1, 6, 1, ?
उत्तर: 8
Logic:
Odd places = 1 (Fixed)
Even places = 2, 4, 6 → +2
👉 अगला = 8
🔢 Q15. 1, 2, 4, 1, 3, 6, 1, 4, ?
उत्तर: 8
Logic:
-
Fixed 1 at every third place
-
Series: 2, 3, 4 (+1), 4, 6, 8 (+2)
🔢 Q16. 5, 25, 5, 30, 5, 35, 5, ?
उत्तर: 40
Logic:
-
Alternate fixed: 5
-
Between terms increase by 5: 25 → 30 → 35 → 40
🔢 Q17. 1, 1, 2, 1, 3, 3, 1, 5, ?
उत्तर: 5
Logic:
-
Fixed 1 at every third place
-
Series: 1, 2, 3, 5 → Fibonacci Series
👉 अगला = 5
🔢 Q18. 13, 17, 13, 21, 13, ?, ?
उत्तर: 25, 13
Logic:
-
13 at every odd position
-
Even terms: +4 → 17, 21, 25
🔢 Q19. 4, 16, 4, 36, 4, ?, ?
उत्तर: 64
Logic:
-
Fixed 4
-
Square numbers at even places: 4² = 16, 6² = 36, 8² = 64
🔢 Q20. 2, 6, 12, 2, 8, 18, 2, ?
उत्तर: 10
Logic:
-
First term fixed: 2
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Then: 2×3=6, 2×4=8, 2×5=10
-
Middle terms: +6: 6 → 12, 12 → 18
🔢 Q21. 2, 5, 10, 17, 2, 5, ?, ?
उत्तर: 10, 17
🔍 Explanation:
पहली Block:
-
2 → +3 = 5 → +5 = 10 → +7 = 17
-
अगला Block फिर से शुरू: 2 → 5 → ? = 10, ? = 17
🔢 Q22. 1, 1, 2, 3, 5, 1, 1, 2, 3, ?
उत्तर: 5
🔍 Explanation:
यह Fibonacci Pattern है →
-
1, 1, 2, 3, 5 → Repeat
-
फिर 1, 1, 2, 3 → Missing = 5
🔢 Q23. 11, 14, 17, 11, 14, 17, 11, ?
उत्तर: 14
🔍 Explanation:
Block Repeat Pattern
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[11, 14, 17] → Repeat
-
11 के बाद अगला = 14
🔢 Q24. 3, 6, 9, 12, 3, 6, 9, ?
उत्तर: 12
🔍 Explanation:
+3 Pattern: 3 → 6 → 9 → 12
फिर Block Repeat हो रहा है
-
अगला = 12
🔢 Q25. 1, 4, 9, 16, 1, 4, 9, ?
उत्तर: 16
🔍 Explanation:
Square Pattern
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1², 2², 3², 4² → Repeat
👉 Missing = 16
🔢 Q26. 4, 8, 12, 16, 4, 8, ?, ?
उत्तर: 12, 16
🔍 Explanation:
+4 Pattern → 4 → 8 → 12 → 16
👉 Repeat हो रहा है
🔢 Q27. 5, 10, 20, 5, 10, ?, ?
उत्तर: 20, 5
🔍 Explanation:
-
×2 Pattern
-
5×2 = 10, 10×2 = 20
-
फिर Repeat
👉 Missing = 20 → 5
🔢 Q28. 7, 14, 7, 21, 7, ?, ?
उत्तर: 28, 7
🔍 Explanation:
Alternate: 7 Fixed
Between: +7 Pattern → 14, 21, 28
👉 अगला = 28, फिर 7
🔢 Q29. 2, 4, 6, 2, 5, 8, 2, ?
उत्तर: 6
🔍 Explanation:
-
Block 1: 2, 4, 6 → +2
-
Block 2: 2, 5, 8 → +3
-
Block 3: 2, ? = +4 → 6
🔢 Q30. 11, 22, 11, 33, 11, ?, ?
उत्तर: 44, 11
🔍 Explanation:
-
11 Fixed at Alternate
-
Others = +11: 22, 33, 44
👉 Missing = 44, फिर 11
🔢 Q31. 0, 5, 10, 5, 0, 0, 5, 10, 5, ?
उत्तर: 0
Logic: Pattern = 0 → 5 → 10 → 5 → 0, Repeat again
🔢 Q32. 3, 7, 11, 15, 3, 7, 11, ?
उत्तर: 15
Logic: +4 each time, repeat group of 4
🔢 Q33. 9, 18, 27, 18, 9, 9, 18, 27, 18, ?
उत्तर: 9
Logic: Forward + Backward repeat
🔢 Q34. 4, 6, 8, 4, 6, 8, ?, ?
उत्तर: 4, 6
Logic: Block repeat of 3
🔢 Q35. 100, 80, 60, 40, 100, 80, ?
उत्तर: 60
Logic: -20 each, repeat again
🔢 Q36. 2, 5, 10, 17, 2, 5, ?
उत्तर: 10
Logic: 2 → +3 = 5 → +5 = 10 → +7 = 17
🔢 Q37. 6, 12, 6, 18, 6, ?, ?
उत्तर: 24, 6
Logic: Fixed 6, Even multiples of 6 → 12, 18, 24
🔢 Q38. 1, 4, 9, 16, 1, 4, ?
उत्तर: 9
Logic: Squares → 1², 2², 3², 4²… repeat
🔢 Q39. 2, 3, 2, 4, 2, 5, 2, ?
उत्तर: 6
Logic: Alternate increase: 3 → 4 → 5 → 6
2 is fixed
🔢 Q40. 10, 30, 20, 40, 30, 50, ?, ?
उत्तर: 40, 60
Logic: Two alternate series:
-
10, 20, 30, 40
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30, 40, 50, 60
🔢 Q41. 1, 5, 1, 6, 1, 7, 1, ?
उत्तर: 8
Logic: Fixed 1, even places increase by +1
🔢 Q42. 100, 200, 300, 400, 100, ?, ?
उत्तर: 200, 300
Logic: Repeat after every 4 numbers
🔢 Q43. 3, 5, 8, 3, 6, 9, 3, ?
उत्तर: 7
Logic:
-
1st Block: 3, 5, 8 (+2, +3)
-
2nd: 3, 6, 9 (+3)
-
3rd: 3, ?
Next increment: +4 → 3+4=7
🔢 Q44. 4, 6, 10, 4, 7, 12, 4, ?
उत्तर: 8
Logic: Middle sequence: 6→7→? (+1), Last: 10→12→? (+2)
So: Next pair: 4, 8, 14
🔢 Q45. 1, 3, 6, 1, 4, 8, 1, ?
उत्तर: 5
Logic: Pattern shift: +2, +3, +4
🔢 Q46. 0, 3, 6, 0, 4, 8, 0, ?
उत्तर: 5
Logic: Odd positions = 0
Middle = +1 increment: 3 → 4 → 5
Last = +2: 6 → 8 → 10
🔢 Q47. 1, 2, 3, 1, 4, 5, 1, 6, ?
उत्तर: 7
Logic: 2nd series = +1
-
2, 4, 6 → +2
-
3, 5, 7 → +2
🔢 Q48. 100, 90, 80, 70, 100, ?, ?
उत्तर: 90, 80
Logic: -10 sequence repeating
🔢 Q49. 1, 1, 2, 3, 5, 1, 1, 2, 3, ?
उत्तर: 5
Logic: Fibonacci series repeat: 1, 1, 2, 3, 5…
🔢 Q50. 0, 1, 0, 2, 0, 3, 0, ?
उत्तर: 4
Logic: Odd terms = 0, Even terms +1
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