BANK & INSURANCE (WRONG NUMBER SERIES PART 2)

Total Questions: 50

31. 32, 16, 24, 60, 220, 945

Correct Answer: (b) 220
Solution:

32 × ½ = 16
16 × 3⁄2 = 24
24 × 5⁄2 = 60
60 × 7⁄2 = 210 ❌ (given 220)
210 × 9⁄2 = 945

Correct series should be: 32, 16, 24, 60, 210, 945

Given 220 is wrong.

32. 14, 26, 50, 84, 134, 194

Correct Answer: (c) 84
Solution:

14 + 6×2 = 26
26 + 6×4 = 50
50 + 6×6 = 86 ❌ (given 84)
86 + 6×8 = 134
134 + 6×10 = 194

Correct series should be: 14, 26, 50, 86, 134, 194

Given 84 is wrong.

33. 11, 15, 24, 49, 98, 221

Correct Answer: (a) 221
Solution:Pattern: +4, +9, +25, +49, +123
Squares pattern: 2²,3²,5²,7²,11² (prime squares)
11+4=15
15+9=24
24+25=49
49+49=98
98+121=219 (not 221)
Wrong term: 221

34. 12, 20, -7, 57, -65, 148

Correct Answer: (a) -65
Solution:

12 + 2³ = 20
20 − 3³ = -7
-7 + 4³ = 57
57 − 5³ = -68 ❌ (given -65)
-68 + 6³ = 148

Correct series should be: 12, 20, -7, 57, -68, 148

Given -65 is wrong.

35. 1, 5, 11, 20, 29, 41

Correct Answer: (b) 20
Solution:

1×2 − 1 = 1
2×3 − 1 = 5
3×4 − 1 = 11
4×5 − 1 = 19 ❌ (given 20)
5×6 − 1 = 29
6×7 − 1 = 41

Correct series should be: 1, 5, 11, 19, 29, 41

Given 20 is wrong.

36. 8,7,13,38,154,754

Correct Answer: (c) 154
Solution:

8 × 1 − 1 = 7
7 × 2 − 1 = 13
13 × 3 − 1 = 38
38 × 4 − 1 = 151 ❌ (given 154)
151 × 5 − 1 = 754

Correct series should be: 8, 7, 13, 38, 151, 754

Given 154 is wrong.

37. 323, 254, 190, 140, 95, 58

Correct Answer: (d) 190
Solution:

18² − 1 = 323
16² − 2 = 254
14² − 3 = 193 ❌ (given 190)
12² − 4 = 140
10² − 5 = 95
8² − 6 = 58

Correct series should be: 323, 254, 193, 140, 95, 58

Given 190 is wrong.

38. 636, 624, 300, 84, 10, -10

Correct Answer: (a) 84
Solution:

636 ÷ 1 − 12 = 624 ✔
624 ÷ 2 − 12 = 312 − 12 = 300 ✔
300 ÷ 3 − 12 = 100 − 12 = 88 ❌ (given 84)
88 ÷ 4 − 12 = 22 − 12 = 10
10 ÷ 5 − 12 = 2 − 12 = −10

Correct series should be: 636, 624, 300, 88, 10, −10

Given 84 is wrong.

39. 18,36,12,24,8,16

Correct Answer: (d) None of these
Solution:Pattern: ×2, ÷3, ×2, ÷3, ×2
18×2=36
36÷3=12
12×2=24
24÷3=8
8×2=16
Series correct.

40. 34, 38, 29, 45, 20, 58

Correct Answer: (b) 58
Solution:

34 + 2² = 38
38 − 3² = 29
29 + 4² = 45
45 − 5² = 20
20 + 6² = 56 ❌ (given 58)

Correct series should be: 34, 38, 29, 45, 20, 56

Given 58 is wrong.