BANK & INSURANCE (WRONG NUMBER SERIES PART 3)

56 + 4² = 72
72 − 5² = 47
47 + 6² = 83
83 − 7² = 34
34 + 8² = 98 ❌ (given 90)

Correct series should be: 56, 72, 47, 83, 34, 98

Given 90 is wrong.

40 + 3×4 = 52
52 + 4×5 = 72
72 + 5×6 = 102
102 + 6×7 = 144 ❌ (given 148)
144 + 7×8 = 200

Correct series should be: 40, 52, 72, 102, 144, 200

Given 148 is wrong.

36 + 16×2 = 36 + 32 = 68 ❌ (given 64)
68 + 16×3 = 68 + 48 = 116
116 + 16×4 = 116 + 64 = 180
180 + 16×5 = 180 + 80 = 260
260 + 16×6 = 260 + 96 = 356

Correct series should be: 36, 68, 116, 180, 260, 356

Given 64 is wrong.

Pattern is consecutive prime numbers, it should be:

47, 53, 59, 61, 67

Now apply correctly:

120 + 47 = 167
167 − 53 = 114
114 + 59 = 173
173 − 61 = 112 ❌ (given 110)
112 + 67 = 179

Correct series should be: 120, 167, 114, 173, 112, 179

Given 110 is wrong.

2×3 + 4 = 10
3×4 + 5 = 17 ❌ (given 19)
4×5 + 6 = 26
5×6 + 7 = 37
6×7 + 8 = 50
7×8 + 9 = 65

Correct series should be: 10, 17, 26, 37, 50, 65

Given 19 is wrong.

130 + 5 = 135
135 + 9 = 144
144 + 13 = 157 ❌ (given 160)
157 + 17 = 174
174 + 21 = 195

Correct series should be: 130, 135, 144, 157, 174, 195

Given 160 is wrong.

Squares:

2² = 4
4² = 16
6² = 36
8² = 64
10² = 100

Now apply in one flow:

80 + 4 = 84
84 + 16 = 100 ❌ (given 102)
100 + 36 = 136
136 + 64 = 200
200 + 100 = 300

Correct series should be: 80, 84, 100, 136, 200, 300

Given 102 is wrong.

72 + 1 = 73
73 − 2 = 71 ❌ (given 69)

Pattern is +1, −2, +3, −4, +5, then:

72 + 1 = 73
73 − 2 = 71
71 + 3 = 74
74 − 4 = 70
70 + 5 = 75

Correct series should be: 72, 73, 71, 74, 70, 75

Given 69 is wrong.

(15 + 1) × 1 = 16
(16 + 1) × 2 = 34 ❌ (given 35)
(34 + 1) × 3 = 105
(105 + 1) × 4 = 424
(424 + 1) × 5 = 2125

Correct series should be: 15, 16, 34, 105, 424, 2125

Given 35 is wrong

4.5 × 1 = 4.5
4.5 × 2 = 9
9 × 3 = 27
27 × 4 = 108 ❌ (given 110)
108 × 5 = 540

Correct series should be: 4.5, 4.5, 9, 27, 108, 540

Given 110 is wrong.