# Quantitative Aptitude: Number Series Set 150

1. Directions : What will be come in place of questions ( ? ) marks in the following number series ?
20, 45, 100, 215, ?, 925
320
445
245
380
450
Option E
The series is (*2 + 5), (*2 + 10), (*2 + 15), (*2 + 20), (*2 + 25)

2. 48, 65, ?, 101, 120
81
82
80
75
72
Option C
The series is (7^2 – 1), (8^2 + 1), (9^2 – 1), (10^2 + 1 ), (11^2 – 1)

3. 8, 72, 172, 316, 512, ?
620
768
680
540
820
Option B
The series is, (+8^2), (+10^2), (+12^2), (14^2), (+16^2)

4. 14, 42, 168, ?, 5040, 35280
840
720
680
320
580
Option A
The series is (*3), (*4), (*5), (*6), (*7)

5. 26, 43, ?, 85, 114, 145
60
75
48
62
54
Option D
The series is (+17), (+19), (+23), (+29), (+31)

6. Directions : What will be wrong number in the following wrong number series ?
5, 10, 30, 150, 600, 3600
600
150
3600
5
30
Option B
The series is (*2), (*3), (*4), (*5), (*6)

7. 24, 16, 20, 32, 72, 184
20
32
72
184
24
Option B
The series is (*.5 + 4), (*1 + 4), (*1.5 + 4), (*2 + 4), (*2.5 + 4)

8. 14, 17, 27, 42, 68, 98
14
42
68
27
98
Option E
The series is +(2^2 – 1), +(3^2 + 1), +(4^2 – 1), +(5^2 + 1), (6^2 – 1)

9. 4, 10, 42, 254, 2034, 20362
4
42
2034
20362
254
Option D
The series is, (*2 + 2), (*4 + 2), (*6 + 2), (*8 + 2), (*10 + 2)

10. 34, 48, 76, 118, 174, 248
34
248
76
48
174
Option B
The series is (+14), (+28), (+42), (+56), (+70)