# Sequence and Series (Test 5)

## Cat Entrance Exams : Mathematics Or Quantitative Aptitude

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Sequence and Series
| Sequence and Series |
Q.1
Direction: What will come in place of the question mark (?) in the following number series?
9, 13, 4, 20, ?, 31
A. 5
B. -5
C. 25
D. -21
E. None of these
Answer : Option B
Explaination / Solution:

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Q.2
Direction: What will come in place of the question mark (?) in the following number series?
2, 0, -2, -8, -40, ?
A. -320
B. -105
C. -336
D. -170
E. -190
Answer : Option C
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Q.3
Direction: What will come in place of the question mark (?) in the following number series?
21, 44, 129, 520, 2595, ?
A. 15476
B. 15576
C. 15376
D. 15276
E. 15176
Answer : Option B
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Q.4
Direction: What will come in place of the question mark (?) in the following number series?
69120, 69120, 34560, 5760, 240, ?
A. 140
B. 200
C. 5
D. 2
E. -20
Answer : Option D
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Q.5
Direction: What will come in place of the question mark (?) in the following number series?
12, 35, 108, 319, ?, 2883
A. 706
B. 810
C. 521
D. 611
E. 964
Answer : Option E
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Q.6
Direction: What number should come in the place of question mark (?) in the following number series?
3125, 1875, 1125, 675, 405, ?
A. 236
B. 272
C. 200
D. 243
E. 220
Answer : Option D
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Q.7
Direction: What number should come in the place of question mark (?) in the following number series?
3, 7, 13, 23, 41, ?
A. 69
B. 51
C. 90
D. 75
E. 53
Answer : Option D
Explaination / Solution:

3    ,    7    ,   13   ,    23   ,   41    ,     75

4        6           10      18           34

2         4           8         16

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Q.8
Direction: In the following number series, a wrong number is given. Find out that wrong number.
14, 32, 105, 436, 2195, 13266
A. 105
B. 2195
C. 13266
D. 14
E. 436
Answer : Option B
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Q.9
Direction: What should come in place of question mark (?) in the following number series?
19, 43, 81, 167, 329, ?
A. 616
B. 669
C. 652
D. 663
E. 658
Answer : Option D
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Q.10
Direction: What will come in place of the question mark (?) in the following number series?
16, 22, 39, 66, 102, ?
A. 150
B. 167
C. 111
D. 146
E. None of these
Answer : Option D
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