BANK & INSURANCE (MISSING NUMBER SERIES PART 3)

Total Questions: 50

41. 9.3, 14.1, 20.1, 27.3, 35.7, ?

Correct Answer: (c) 45.3
Solution:

Differences: +4.8, +6.0, +7.2, +8.4 (increase by 1.2). Next +9.6 ⇒ missing = 35.7 + 9.6 = 45.3.

42. 7, 7, 21, 105, 735, ?

Correct Answer: (d) 6615
Solution:

Multiply by odd numbers: ×1, ×3, ×5, ×7, ×9. Missing = 735 × 9 = 6615.

43. 6, 12, 36, ?, 720, 4320

Correct Answer: (a) 144
Solution:

Pattern: ×2, ×3, ×4, ×5, ×6. Missing = 36 × 4 = 144.

44. 42, 52, 72, 112, 192, ?

Correct Answer: (c) 352
Solution:

Differences: +10, +20, +40, +80, +160. Missing = 192 + 160 = 352.

45. 60, 150, ?, 450, 450, 225

Correct Answer: (d) 300
Solution:

Multipliers: ×2.5, ×2, ×1.5, ×1, ×0.5. Missing = 150 × 2 = 300.

46. 10, 135, ?, 226, 234, 235

Correct Answer: (a) 199
Solution:

Differences are decreasing cubes: +125, +64, +27, +8, +1 (5³,4³,3³,2³,1³). So ? = 135 + 64 = 199.

47. 11, 13, 19, ?, 51, 81

Correct Answer: (b) 31
Solution:

Differences: +2, +6, +12, +20, +30 where each is n(n+1): 1·2, 2·3, 3·4, 4·5, 5·6. So ? = 19 + 12 = 31.

48. 1.5, 1.5, 3, 12, 96, ?

Correct Answer: (c) 1536
Solution:

Multiply by 1, 2, 4, 8, 16. So ? = 96 × 16 = 1536.

49. 15, 40, 56, ?, 69, 70

Correct Answer: (d) 65
Solution:

Add squares: +25, +16, +9, +4, +1. So ? = 56 + 9 = 65.

50. 124, 131, 142, 155, ?, 191

Correct Answer: (a) 172
Solution:

Add consecutive primes: +7, +11, +13, +17, +19. So ? = 155 + 17 = 172.