# Quantitative Aptitude: Number Series Set 151

1. Directions : what should come in place of questions (?) marks in the following number series ?
18, 37, 56, ?, 94
72
60
80
75
74
Option D
The series is, +19, +19, +19…

2. 15, 8, 9, 20, ?, 256
68
40
42
92
63
Option E
The series is, (*.5 + 5), (*1 + 1), (*2 + 2), (*3 + 3), (*4 + 4)

3. 1448, 936, 593, 377, ?, 188
354
252
192
264
260
Option B
The series is, -8^3, -7^3, -6^3, -5^3, -4^3

4. 23, 18, 25, 14, 27, 10, ?
30
25
6
32
29
Option E
The series is , +2, -4, +2, -4 of alternate numbers.

5. 34, 53, 76, 105, ?, 169
136
125
140
142
148
Option A
The series is, +19, +23, +29… ( additions of prime numbers )

6. Directions : What will be the wrong number in the given wrong number series ?
17, 33, 69, 133, 233, 354
69
133
17
233
354
Option E
The series is, +4^2, +6^2, +8^2, +10^2, +12^2

7. 4, 10, 22, 42, 72, 120
120
22
42
4
72
Option A
The series is, +(2^2 + 2), +(3^2 + 3), +(4^2 + 4), +(5^2 + 5), +(6^2 + 6)

8. 45, 83, 128, 215, 339, 550
215
339
128
550
83
Option A
The series is (45 + 83), (83 + 128), (128 + 211), (211 + 339)

9. 32, 64, 192, 768, 3846, 23040
192
32
64
3846
23040
Option D
The series is *2, *3, *4, *5, *6

10. 28, 34, 46, 70, 118, 220
46
220
28
118
46
Option B
The series is (+6), (+12), (+24), (+48), (+96)