BANK & INSURANCE (MISSING NUMBER SERIES PART 2)

Total Questions: 50

11. 20, 32, 50, 74, 104, ?

Correct Answer: (a) 140
Solution:

Differences: +12, +18, +24, +30 (increase by 6). Next +36 ⇒ ? = 104 + 36 = 140.

12. 5, 15, 35, 75, 155, ?

Correct Answer: (b) 315
Solution:

Differences: +10, +20, +40, +80 (doubling). Next +160 ⇒ ? = 155 + 160 = 315.

13. 13, 15, 18, 23, 30, ?

Correct Answer: (c) 41
Solution:

Differences are consecutive primes: +2, +3, +5, +7, next +11 ⇒ ? = 30 + 11 = 41.

14. 10, 17, 26, 37, 50, ?

Correct Answer: (d) 65
Solution:

Differences: +7, +9, +11, +13 (odd numbers). Next +15 ⇒ ? = 50 + 15 = 65.

15. 16, 24, 51, 115, 240, ?

Correct Answer: (b) 456
Solution:

Differences: +8, +27, +64, +125 = 2³, 3³, 4³, 5³. Next +6³=216 ⇒ ? = 240 + 216 = 456.

16. 124, 43, 115, ?, 106, 61

Correct Answer: (c) 52
Solution:

Alternate − and + multiples of 9: −81(9×9), +72(8×9), −63(7×9), +54(6×9), −45(5×9). So ? = 115 − 63 = 52.

17. 5000, 1000, 400, 240, 192, ?

Correct Answer: (d) 192
Solution:

Multiply by 0.2, 0.4, 0.6, 0.8, 1.0. So next = 192 × 1.0 = 192.

18. 7200, 3600, 1200, ?, 60, 10

Correct Answer: (b) 300
Solution:

Divide by 2, 3, 4, 5, 6. So ? = 1200 ÷ 4 = 300.

19. 36, 16, 80, ?, 300, 280

Correct Answer: (c) 60
Solution:Pattern: −20, ×5, -20, ×5, −20. So ? = 80 - 20 = 60.

Answer:  60

There can be another way to solve this question as detailed below: (this is only for information)

Pattern: −20, ×5, +20, ×3, −20. So ? = 80 + 20 = 100.

Answer: 100

20. 60, 72, 96, ?, 228, 360

Correct Answer: (d) 144
Solution:

Differences: +12, +24, +48, +84, +132. These are 12×(1,2,4,7,11) where increments are +1,+2,+3,+4. So ? = 96 + 48 = 144.