# Quantitative Aptitude: Number Series Set 8

Directions: What will come in place of (?) in following series following a certain pattern?

1. 4, 9, 23, 74, 301, ?
A) 1946
B) 1436
C) 1510
D) 1481
E) 1741
View Answer
Option C
Pattern:

4 Ã— 1 + 5 = 9,
9 Ã— 2 + 5 = 23,
23 Ã— 3 + 5 = 74,
74 Ã— 4 + 5 = 301,
301 Ã— 5 + 5 = 1510,
2. 5, 9, 25, 61, 125, ?
A) 179
B) 225
C) 266
D) 290
E) 168
View Answer
Option B
Pattern:

5 + 22 = 9,
9 + 42 = 25,
25 + 62 = 61,
61 + 82 = 125,
125 + 102 = 225,
3. 6, 14, 32, 72, 160, ?
A) 329
B) 320
C) 321
D) 352
E) 344
View Answer
Option D
Pattern:

6 Ã— 2 + 2 = 14,
14 Ã— 2 + 4 = 32,
32 Ã— 2 + 8 = 72,
72 Ã— 2 + 16 = 160,
160 Ã— 2 + 32 = 352,
4. 13, 6, 5, 6, 10, ?
A) 22.5
B) 31.6
C) 45.2
D) 32.5
E) 33.2
View Answer
Option A
Pattern:

13 Ã— 0.5 â€“ 0.5 = 6,
6 Ã— 1 â€“ 1 = 5,
5 Ã— 1.5 â€“ 1.5 = 6,
6 Ã— 2 â€“ 2 = 10,
10 Ã— 2.5 â€“ 2.5 = 22.5
5. 7, 9, 21, 67, 273, ?
A) 1367
B) 1234
C) 1413
D) 1371
E) 1218
View Answer
Option D
Pattern:

7Ã—1 + 2 = 9,
9Ã—2 + 3 = 21,
21Ã—3 + 4 = 67,
67Ã—4 + 5 = 273,
273Ã—5 + 6 = 1371
6. 8, 10, 17, 34, 66, ?
A) 157
B) 176
C) 199
D) 175
E) 118
View Answer
Option E
Pattern:

7. 5, 14, 11, 32, 29, ?
A) 57
B) 86
C) 45
D) 78
E) 92
View Answer
Option B
Pattern:

5 Ã— 3 â€“ 1 = 14,
14 Ã— 1 â€“ 3 = 11,
11 Ã— 3 â€“ 1 = 32,
32 Ã— 1 â€“ 3 = 29,
29 Ã— 3 â€“ 1 = 86
8. 27, 34, 51, 62, 83, ?
A) 99
B) 102
C) 111
D) 98
E) 144
View Answer
Option D
Pattern:

52 + 2, 62 – 2, 72 + 2, 82 – 2,
92 + 2, 102 – 2
9. 3, 13, 35, 113, ?, 2301
A) 335
B) 427
C) 459
D) 531
E) 643
View Answer
Option C
Pattern:

3 Ã— 1 + 10 = 13,
13 Ã— 2 + 9 = 35,
35 Ã— 3 + 8 = 113,
113 Ã— 4 + 7 = 459,
459 Ã— 5 + 6 = 2301
10. 1, 2, 5, 16, ?, 632
A) 76
B) 107
C) 123
D) 98
E) 121
View Answer
Option A
Pattern:

1 Ã— 0.5 + 1.5 = 2,
2 Ã— 1 + 3 = 5,
5 Ã— 2 + 6 = 16,
16 Ã— 4 + 12 = 98,
76 Ã— 8 + 24 = 632

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

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