Number Series Questions Solutions for Bank PO, Insurance and SSC Exams.
Directions: What will come in place of (?) in following Number series following a certain pattern?
- 2, 6, 16, 40, 96, ?
A) 224
B) 204
C) 211
D) 235
E) 253
View Answer
Option A
Pattern:
2 × 2 + 2 = 6,
6 × 2 + 4 = 16,
16 × 2 + 8 = 40,
40 × 2 + 16 = 96
96 × 2 + 32 = 224
- 21, 10, 9, 12, 22, ?
A) 55.5
B) 64.5
C) 54.5
D) 52.5
E) 68.5
View Answer
Option D
Pattern: Â
21 × 0.5 – 0.5 = 10,
10 × 1 – 1 = 9,
9 × 1.5 – 1.5 = 12,
12 × 2 – 2 = 22,
22 × 2.5 – 2.5 = 52.5
- 15, 29, 27, 53, 51, ?
A) 112
B) 101
C) 114
D) 120
E) 132
View Answer
Option B
Pattern:
15 × 2 – 1 = 29,
29 × 1 – 2 = 27,
27 × 2 – 1 = 53,
53 × 1 – 2 = 51,
51 × 2 – 1 = 101
- 3, 3, 6, 18, 84, ?
A) 555
B) 405
C) 235
D) 696
E) 485
View Answer
Option D
Pattern:
3 × 0.5 + 1.5 = 3,
3 × 1 + 3 = 6,
6 × 2 + 6 = 18,
18 × 4 + 12 = 84,
84 × 8 + 24 = 696  Â
- 22, 12, 8, 21, 26, ?
A) 95
B) 90
C) 40
D) 58
E) 63
View Answer
Option B
Pattern:
22 * 0.5 + 12 Â = 12
12 * 1 – 22 Â = 8
8 * 1.5 + 32 Â = 21
21 * 2 – 42 Â = 26
26 * 2.5 + 52 = 90
- 4, 6, 24, 130, 924, ?
A) 7125
B) 6129
C) 5257
D) 8334
E) 3652
View Answer
Option D
Pattern:
*1 + 2, *3 + 6, *5 + 10, *7 + 14, *9 + 18
- 26, 13, 20, 51, 180, ?
A) 812
B) 728
C) 731
D) 624
E) 835
View Answer
Option A
Pattern:
*0.5 + 0, *1.5 + 0.5, *2.5 + 1, *3.5 + 1.5, *4.5 + 2
- 15, 28, 87, 344, 1725, ?
A) 10376
B) 10324
C) 10344
D) 10402
E) 10444
View Answer
Option C
Pattern:
*2 – 2, *3 + 3, *4 – 4, *5 + 5, *6 – 6
- 5, 6, 7.5, 9.75, ?, 18.4275
A) 15.3525
B) 13.1625
C) 14.9125
D) 14.4725
E) 15.2225
View Answer
Option B
Pattern:
*1.2, *1.25, *1.3, *1.35, *1.4
- 56, 60, 51, 67, 42, ?
A) 70
B) 88
C) 53
D) 62
E) 78
View Answer
Option E
Pattern:
+ 22, – 32, + 42, – 52, + 62
thnk u mam..q-6 ka logic explain kar do mam pls….
Jo question me pahele wala 6hai yo nahi chahiye
OHHKKK
are mimi wo galti se two times 6.6 aa gya hoga ….equation to ye hai 4, 6, 24, 130, 924, ? iska logic diya hi hai mam ne ..*1 + 2, *3 + 6, *5 + 10, *7 + 14, *9 + 18
ACHA……..
q starting from 4,6,24,….
ty
thank u mam
ty..
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