Number Series
Directions: What will come in place of the question marks (?) in the following Number series:
1.) 1, 4, 9, 16, 25, ?
A. 35
B. 36
C. 48
D. 49
E. None of these
2.) 20, 19, 17, ?, 10, 5
A. 12
B. 13
C. 14
D. 15
E. None of these
3.) 2, 3, 5, 7, 11, ?, 17
A. 12
B. 13
C. 14
D. 15
E. None of these
4.) 18, 22, 30, ?, 78, 142
A. 44
B. 35
C. 46
D. 48
E. None of these
5.) 73205, 6655, 605, 55, ?
A. 9
B. 5
C. 13
D. 11
E. None of these
6.) 25, 100, ?, 1600, 6400
A. 400
B. 300
C. 360
D. 420
E. None of these
7.) 125, ?, 343, 512, 729, 1000
A. 216
B. 215
C. 256
D. 225
E. None of these
8.) 21, 10, 9, 12, 22, ?
A. 55.5
B. 64.5
C. 54.5
D. 52.5
E. 68.5
9.) 22, 12, 8, 21, 26, ?
A. 95
B. 90
C. 40
D. 58
E. 63
10.) 15, 28, 87, 344, 1725, ?
A. 10376
B. 10324
C. 10344
D. 10402
E. 10444
Answers:
1. B
2. C
3. B
4. C
5. B
6. A
7. A
8. D
9. B
10. C