100 NUMBER SERIES QUESTIONS ALONG WITH THEIR ANSWERS:-
FREQUENTLY ASKED QUESTIONS IN REASONING FOR VARIOUS COMPETITIVE EXAMS IN INDIA (UPSC, SSC, BANKING, PSU, RAILWAY, ETC.).
1. SIMPLE ADDITION/SUBTRACTION PATTERNS:-
Q1. 1, 4, 7, 10, __, 16
A: 13 (PATTERN: +3)
Q2. 3, 6, 9, 12, __, 18
A: 15 (PATTERN: +3)
Q3. 5, 9, 13, 17, __, 21
A: 21 (PATTERN: +4)
Q4. 11, 15, 19, 23, __, 31
A: 27 (PATTERN: +4)
Q5. 7, 13, 19, 25, __, 37
A: 31 (PATTERN: +6)
2. MULTIPLICATION/DIVISION PATTERNS
Q6. 2, 4, 8, 16, __, 64
A: 32 (PATTERN: ×2)
Q7. 3, 6, 12, 24, __, 96
A: 48 (PATTERN: ×2)
Q8. 5, 10, 20, 40, __, 160
A: 80 (PATTERN: ×2)
Q9. 6, 12, 24, 48, __, 192
A: 96 (PATTERN: ×2)
Q10. 8, 16, 32, 64, __, 256
A: 128 (PATTERN: ×2)
3. MIXED ADDITION AND MULTIPLICATION PATTERNS;-
Q11. 3, 7, 15, 31, __, 127
A: 63 (PATTERN: +4, +8, +16, +32)
Q12. 4, 10, 22, 46, __, 190
A: 94 (PATTERN: +6, +12, +24, +48)
Q13. 2, 6, 18, 54, __, 486
A: 162 (PATTERN: ×3)
Q14. 5, 14, 41, 122, __, 365
A: 365 (PATTERN: ×3, +1)
Q15. 6, 18, 54, 162, __, 1458
A: 486 (PATTERN: ×3)
4. SQUARE AND CUBE PATTERNS:-
Q16. 1, 4, 9, 16, __, 36
A: 25 (SQUARES: 1², 2², 3², 4², 5²)
Q17. 1, 8, 27, 64, __, 216
A: 125 (CUBES: 1³, 2³, 3³, 4³, 5³)
Q18. 1, 16, 81, 256, __, 1024
A: 625 (PATTERN: 1², 4², 9², 16², 25²)
Q19. 2, 9, 16, 25, __, 49
A: 36 (PATTERN: 2², 3², 4², 5², 6²)
Q20. 2, 8, 27, 64, __, 125
A: 125 (PATTERN: CUBES: 1³, 2³, 3³, 4³, 5³)
5. ALTERNATE NUMBERS:-
Q21. 1, 4, 7, 10, __, 16
A: 13 (PATTERN: +3)
Q22. 2, 5, 8, 11, __, 17
A: 14 (PATTERN: +3)
Q23. 5, 12, 19, 26, __, 38
A: 33 (PATTERN: +7)
Q24. 6, 10, 14, 18, __, 26
A: 22 (PATTERN: +4)
Q25. 4, 8, 12, 16, __, 24
A: 20 (PATTERN: +4)
6. FIBONACCI-LIKE SEQUENCES:-
Q26. 1, 1, 2, 3, 5, __
A: 8 (PATTERN: FIBONACCI SEQUENCE: 1, 1, 2, 3, 5, 8)
Q27. 2, 3, 5, 8, 13, __
A: 21 (PATTERN: FIBONACCI SEQUENCE)
Q28. 5, 9, 14, 23, __, 57
A: 34 (PATTERN: +4, +5, +9)
Q29. 3, 6, 9, 15, __, 39
A: 24 (PATTERN: +3, +6, +6, +15)
Q30. 2, 5, 8, 13, __, 34
A: 21 (PATTERN: +3, +5, +8, +13)
7. PRIME NUMBER SEQUENCES;-
Q31. 2, 3, 5, 7, __, 13
A: 11 (PATTERN: PRIME NUMBERS)
Q32. 5, 7, 11, 13, __, 17
A: 17 (PATTERN: PRIME NUMBERS)
Q33. 11, 13, 17, 19, __, 23
A: 19 (PATTERN: PRIME NUMBERS)
Q34. 2, 5, 11, 17, __, 31
A: 23 (PRIME NUMBERS)
Q35. 3, 5, 11, 17, __, 29
A: 23 (PRIME NUMBERS)
8. SQUARE ROOTS AND POWERS:-
Q36. 1, 4, 9, 16, __, 36
A: 25 (SQUARES)
Q37. 2, 4, 8, 16, __, 64
A: 32 (DOUBLING)
Q38. 1, 2, 4, 8, __, 32
A: 16 (DOUBLING PATTERN)
Q39. 4, 9, 16, 25, __, 49
A: 36 (SQUARES)
Q40. 3, 9, 27, 81, __, 243
A: 243 (PATTERN: ×3)
9. COMPLEX ARITHMETIC PATTERNS:-
Q41. 1, 2, 6, 24, __, 120
A: 60 (PATTERN: 1!, 2!, 3!, 4!, 5!)
Q42. 1, 1, 2, 6, 24, __
A: 120 (FACTORIAL)
Q43. 1, 3, 9, 27, __, 243
A: 81 (PATTERN: ×3)
Q44. 1, 4, 27, 256, __, 3125
A: 3125 (PATTERN: EXPONENTIAL GROWTH)
Q45. 3, 5, 9, 15, __, 35
A: 21 (PATTERN: ×1.5, THEN +1)
10. ARITHMETIC PROGRESSION:-
Q46. 2, 5, 8, 11, __, 17
A: 14 (PATTERN: +3)
Q47. 3, 6, 9, 12, __, 18
A: 15 (PATTERN: +3)
Q48. 7, 10, 13, 16, __, 22
A: 19 (PATTERN: +3)
Q49. 4, 8, 12, 16, __, 24
A: 20 (PATTERN: +4)
Q50. 1, 4, 7, 10, __, 16
A: 13 (PATTERN: +3)
11. GEOMETRIC PROGRESSION:-
Q51. 2, 6, 18, 54, __, 486
A: 162 (PATTERN: ×3)
Q52. 3, 6, 12, 24, __, 96
A: 48 (PATTERN: ×2)
Q53. 5, 15, 45, 135, __, 1215
A: 405 (PATTERN: ×3)
Q54. 2, 4, 8, 16, __, 64
A: 32 (PATTERN: ×2)
Q55. 1, 3, 9, 27, __, 243
A: 81 (PATTERN: ×3)
12. COMBINATION OF MULTIPLE PATTERNS:-
Q56. 2, 5, 12, 23, __, 47
A: 38 (PATTERN: +3, +7, +11, +14)
Q57. 1, 4, 9, 16, __, 36
A: 25 (SQUARES)
Q58. 3, 9, 15, 21, __, 33
A: 27 (PATTERN: +6)
Q59. 4, 8, 12, 16, __, 24
A: 20 (PATTERN: +4)
Q60. 5, 10, 17, 26, __, 38
A: 35 (PATTERN: +5, +7, +9)
13. DIFFERENCES BETWEEN TERMS;-
Q61. 1, 4, 9, 16, __, 36
A: 25 (SQUARES)
Q62. 7, 10, 15, 22, __, 34
A: 31 (PATTERN: +3, +5, +7, +9)
Q63. 3, 5, 9, 15, __, 31
A: 23 (PATTERN: +2, +4, +6)
14. CUBIC SEQUENCES;-
Q66. 1, 8, 27, 64, __, 216
A: 125 (CUBES)
Q67. 1, 4, 27, 256, __, 3125
A: 3125 (PATTERN: X^2, X^3, X^4)
15. POWERS OF 2 AND EXPONENTIAL GROWTH:-
Q68. 1, 2, 4, 8, __, 64
A: 16 (PATTERN: ×2)
Q69. 1, 2, 4, 8, 16, __
A: 32 (PATTERN: ×2)
Q70. 3, 6, 12, 24, __, 192
A: 48 (PATTERN: ×2)
Q71. 1, 3, 9, 27, __, 243
A: 81 (PATTERN: ×3)
Q72. 1, 4, 16, 64, __, 1024
A: 256 (PATTERN: ×4)
16. DOUBLING OR HALVING:-
Q73. 5, 10, 20, 40, __, 160
A: 80 (PATTERN: ×2)
Q74. 6, 12, 24, 48, __, 192
A: 96 (PATTERN: ×2)
Q75. 8, 16, 32, 64, __, 256
A: 128 (PATTERN: ×2)
Q76. 2, 4, 8, 16, __, 64
A: 32 (PATTERN: ×2)
Q77. 100, 50, 25, 12.5, __, 3.125
A: 6.25 (PATTERN: ÷2)
17. FIBONACCI SEQUENCE-LIKE PATTERNS;-
Q78. 1, 1, 2, 3, 5, __
A: 8 (FIBONACCI SEQUENCE)
Q79. 2, 4, 6, 10, __, 34
A: 16 (PATTERN: +2, +4, +6, +8)
Q80. 2, 6, 14, 30, __, 62
A: 62 (PATTERN: ×2, +2)
Q81. 3, 5, 9, 15, __, 33
A: 21 (PATTERN: +2, +4, +6)
Q82. 4, 9, 16, 25, __, 49
A: 36 (PATTERN: SQUARE NUMBERS)
18. MULTIPLICATIVE GROWTH SERIES:-
Q83. 2, 6, 18, 54, __, 486
A: 162 (PATTERN: ×3)
Q84. 3, 9, 27, 81, __, 729
A: 243 (PATTERN: ×3)
Q85. 2, 5, 8, 13, __, 21
A: 18 (PATTERN: +3, +5, +8)
Q86. 2, 4, 16, 64, __, 1024
A: 256 (PATTERN: ×4)
Q87. 1, 4, 16, 64, __, 1024
A: 256 (PATTERN: ×4)
19. PROGRESSIVE PATTERN SEQUENCES:-
Q88. 1, 2, 6, 24, 120, __
A: 720 (PATTERN: FACTORIAL: 1!, 2!, 3!, 4!, 5!)
Q89. 3, 9, 15, 21, __, 33
A: 27 (PATTERN: +6)
Q90. 2, 6, 12, 20, 30, __
A: 42 (PATTERN: +4, +6, +8, +10)
Q91. 2, 5, 8, 13, __, 21
A: 18 (PATTERN: +3, +5, +8)
Q92. 5, 10, 15, 20, 25, __
A: 30 (PATTERN: +5)
20. SEQUENCES WITH ARITHMETIC INCREMENTS:-
Q93. 1000, 500, 250, 125, __, 31.25
A: 62.5 (PATTERN: ÷2)
Q94. 100, 50, 25, 12.5, __, 3.125
A: 6.25 (PATTERN: ÷2)
Q95. 200, 100, 50, 25, __, 6.25
A: 12.5 (PATTERN: ÷2)
Q96. 100, 80, 60, 40, __, 0
A: 20 (PATTERN: -20)
Q97. 81, 27, 9, 3, __, 1
A: 1 (PATTERN: ÷3)
21. EXPONENTIAL GROWTH PATTERNS:-
Q98. 1, 4, 16, 64, __, 1024
A: 256 (PATTERN: ×4)
Q99. 2, 8, 32, 128, __, 2048
A: 512 (PATTERN: ×4)
Q100. 3, 9, 27, 81, __, 729
A: 243 (PATTERN: ×3)
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