# Quantitative Aptitude: Number Series Set 14

Directions: The following series are based on a specific pattern. In these series one number is wrong, find that odd one.

1. 4, 15, 52, 157, 480, 1451
A) 1451
B) 480
C) 15
D) 52
E) 157
Option D
Pattern:
4Ã—3 + 3 = 15
15Ã—3 + 5 = 50
50Ã—3 + 7 = 157
157Ã—3 + 9 = 480
480Ã—3 + 11 = 1451
2. 2, 11, 82, 569, 3410, 17050
A) 569
B) 17050
C) 11
D) 3410
E) 82
Option B
Pattern: Â
2Ã—9 â€“ 7 = 11
11Ã—8 â€“ 6 = 82
82Ã—7 â€“ 5 = 569
569Ã—6 â€“ 4 = 3410
3410Ã—5 â€“ 3 = 17047
Â
3. 3, 6, 12, 30, 108, 462
A) 12
B) 108
C) 6
D) 20
E) 462
Option B
Pattern:
4. -2, 4, 20, 48, 102, 188Â  Â Â Â
A) 188
B) 102
C) 48
D) 4
E) 20
Option E
Pattern:
Difference of difference series.
5. 8, 17, 40, 133, 538, 2695
A) 2695
B) 17
C) 40
D) 538
E) 133
Option C
Pattern:
8Ã—1 + 9 = 17
17Ã—2 + 8 = 42
42Ã—3 + 7 = 133
133Ã—4 + 6 = 538
538Ã—5 + 5 = 2695
6. 1025, 523, 257, 129, 65, 33
A) 33
B) 129
C) 257
D) 523
E) 65
Option D
Pattern:
Ã·2 + 0.5, Ã·2 + 0.5, Ã·2 + 0.5, Ã·2 + 0.5, Ã·2 + 0.5
7. 572, 284, 140, 58, 32, 14
A) 284
B) 58
C) 32
D) 14
E) 140
Option B
Pattern:
(572 â€“ 4) Ã· 2 = 284
(284 â€“ 4) Ã· 2 = 140Â Â Â
(140 â€“ 4) Ã· 2 = 68
(68 â€“ 4) Ã· 2 = 32
(32 â€“ 4) Ã· 2 = 14
8. 6, 4, 8, 34, 230, ?
A) 2070
B) 2020
C) 2050
D) 2060
E) 2080
Option D
Pattern:
*1 â€“ 2, *3 â€“ 4, *5 â€“ 6, *7 â€“ 8, *9 â€“ 10.
9. 10495, 1741, 549, 79, 21, 6Â
A) 21
B) 1741
C) 549
D) 79
E) 6
Option C
Pattern:
(10495 â€“ 49) Ã· 6 = 1741
(1741 – 36) Ã· 5 = 341
(341 â€“ 25) Ã· 4 = 79
(79 – 16) Ã· 3 = 21
(21 â€“ 9) Ã· 2 = 6
10. 2, 8, 32, 265, 2932, 41068
A) 41068
B) 8
C) 2932
D) 32
E) 265
Option E
Pattern:
2 Ã— 2 + 4 = 8
8 Ã— 5 – 8 = 32
32 Ã— 8 + 12 = 268
268 Ã— 11 – 16 = 2932
2932 Ã— 14 + 20 = 41068

## 8 Thoughts to “Quantitative Aptitude: Number Series Set 14”

1. Ankit Saxena

some questions really tested brain

2. jaga

thank u mam

3. dream girl ;;;;/@ :)

mam plz check q.no. 4

4. sachin shukla@ my turn 2017

ty

5. PHENOMENAL

in 3 que 108 is wrong then sol me 30 kyu liya gya h ?

1. That will be 30 in series

6. PHENOMENAL