BANK & INSURANCE (MISSING NUMBER SERIES PART 2)

Total Questions: 50

41. 17, 38, 80, 143, 227, ?

Correct Answer: (d) 332
Solution:

Differences: +21, +42, +63, +84, +105. So ? = 227 + 105 = 332.

42. 58, 67, 102, 193, ?, 723

Correct Answer: (d) 382
Solution:

Differences are sums of consecutive cubes: (1³+2³)=9, (2³+3³)=35, (3³+4³)=91, (4³+5³)=189, (5³+6³)=341. So ? = 193 + 189 = 382.

43. 593, 578, 568, 563, ?, 568

Correct Answer: (a) 563
Solution:

Differences: −15, −10, −5, 0, +5. So ? = 563 + 0 = 563.

44. ?, 480, 192, 96, 64, 64

Correct Answer: (b) 1440
Solution:

Pattern: ÷3, ÷2.5, ÷2, ÷1.5, ÷1. So ? ÷ 3 = 480 ⇒ ? = 1440.

45. 18, 30, 78, 276, ?, 6850.5

Correct Answer: (c) 1245
Solution:

Pattern: ×1.5+3, ×2.5+3, ×3.5+3, ×4.5+3, ×5.5+3. Missing = 276×4.5+3 = 1245.

46. 180, ?, 120, 480, 96, 576

Correct Answer: (a) 360
Solution:

Pattern: ×2, ÷3, ×4, ÷5, ×6. So ? = 180 × 2 = 360.

47. ?, 67, 114, 193, 336, 607

Correct Answer: (d) 36
Solution:

Differences: 47, 79, 143, 271 with rule next = previous×2 − 15. Prior diff: (47+15)/2 = 31. So first term = 67 − 31 = 36.

48. 48, 144, 36, 108, ?, 81

Correct Answer: (a) 27
Solution:

Pattern: ×3, ÷4 repeating. So ? = 108 ÷ 4 = 27.

49. 71, 192, ?, 505, 701, 926

Correct Answer: (b) 336
Solution:

Add consecutive squares: +11²=121, +12²=144, +13²=169, +14²=196, +15²=225. Missing = 192 + 144 = 336.

50. 67, 102, 147, ?, 267, 342

Correct Answer: (a) 202
Solution:

Differences: +35, +45, +55, +65, +75. So ? = 147 + 55 = 202.