# Quantitative Aptitude: Number Series for IBPS PO Prelims

Directions: The following series are based on a specific pattern. Find the next number following the pattern.

1. 3, 4, 12, 45, 196, ?
A) 1134
B) 1005
C) 1030
D) 1014
E) 1190
View Answer
Â Option B
Pattern:Â
3 Ã— 1 + 1Â² = 4
4 Ã— 2 + 2Â² = 12
12 Ã— 3 + 3Â² = 45
45 Ã— 4 + 4Â² = 196
196 Ã— 5 + 5Â² = 1005
2. 14, 16, 10, 22, 2, ?
A) 32
B) 22
C) 18
D) 16
E) 35
View Answer
Â Option A
Pattern:
………+2………..-6………..+12………..-20…………+30
……………+4………+6………….+8………….+10
3. 5, 5, 7, 13, 25, ?
A) 53
B) 61
C) 56
D) 39
E) 45
View Answer
Â Option E
Pattern:Â
5 + (12 – 1) Â = 5
5 + (22 – 2) Â = 7
7 + (32 – 3) = 13
13 + (42 – 4) Â = 25
25 + (52 – 5) Â = 45
4. 13, 77, 126, 162, 187, ?
A) 251
B) 291
C) 203
D) 258
E) 218
View Answer
Â Option C
Pattern:Â
+ 8Â², + 7Â², + 6Â², + 5Â², + 4Â²
5. 2, 11, 31, 102, ?, 2094
A) 213
B) 199
C) 485
D) 337
E) 417
View Answer
Â Option D
Pattern:Â
2 * 1 + 9 = 11
11 * 2 + 9 = 31
31 * 3 + 9 = 102
102 * 4 + 9 = 417
417 * 5 + 9 = 2094
6. 5, 14, 36, 84, ?, 388Â
A) 196
B) 184
C) 152
D) 116
E) 158
View Answer
Â Option B
Pattern:
Ã—2 + 4, Ã—2 + 8, Ã—2 + 12,Â Ã—2 + 16,Â Ã—2 + 20Â
7. 11, 12, 22, 69, 272,Â
A) 1365
B) 1138
C) 1255
D) 1298
E) 1175
View Answer
Â Option A
Pattern:Â
Ã— 1 + 1, Ã— 2 â€“ 2, Ã— 3 + 3, Ã— 4 â€“ 4, Ã— 5 + 5
8. 8, 14, 21, 32, ?, 88
A) 61
B) 45
C) 57
D) 52
E) 49
View Answer
Â Option D
Pattern:
……..+6……….+7………+11……..+20…………+36
……………..+1………+4………+9………+16
9. 9, 6, 9, 24, 108, ?
A) 616
B) 918
C) 838

D) 524
E) 888
View Answer
Â Option E
Pattern:Â
9 Ã— 0.5 + 1.5 = 6
6 Ã— 1 + 1.5 Ã— 2 = 9
9 Ã— 2 + 1.5 Ã— 4 = 24
24 Ã— 4 + 1.5 Ã— 8 = 108
108 Ã— 8 + 1.5 Ã— 16 = 888
10. 23, 46, 68, 88, ?, 112
A) 92
B) 101
C) 104
D) 99
E) 109
View Answer
Â Option C
Pattern:Â
……..+23………..+22……..+20………..+16……….+8….
………………-1………….-2………..-4…………-8

## 3 Thoughts to “Quantitative Aptitude: Number Series for IBPS PO Prelims”

1. the walking dead

ðŸ™‚ check question no.2 and 5…something is wrong

2. jaga

thank u mam