# Number Series Quiz For IBPS PO Part- 11

### Question 1.

What should come at the place of question mark (?) in the following number series?
649.6875, 433.125, 173.25, 49.5, ?, 2

A. 13
B. 10
C. 11
D. 15
E. 9
Ans. C.
Solution:

### Question 2.

What should come at the place of question mark (?) in the following number series?
11, 12, ?, 81, 328, 1645

A. 56
B. 36
C. 55
D. 26
E. 45
Ans. D.
Solution:

### Question 3.

What should come at the place of question mark (?) in the following number series?
1008, 2340, 3341, 4071, ?, 7928

A. 7160
B. 7584
C. 6652
D. 6952
E. 5525
Ans. B.
Solution:

### Question 4.

What should come at the place of question mark (?) in the following number series?
16, 9, 11, 26, 112, ?

A. 572
B. 814
C. 912
D. 258
E. 365
Ans. C.
Solution:

### Question 5.

What should come at the place of question mark (?) in the following number series?
978, ?, 924, 852, 708, 420

A. 960
B. 823
C. 912
D. 732
E. None of these
Ans. A.
Solution:

### Question 6.

What should come at the place of question mark (?) in the following number series?
5, 9, 25, 61, ?, 225

A. 112
B. 130
C. 122
D. 125
E. 109
Ans. D.
Solution:

### Question 7.

What should come at the place of question mark (?) in the following number series?
3, 15, 105, 525, 3675, ?

A. 15875
B. 18375
C. 18522
D. 18202
E. 18963
Ans. B.
Solution:

### Question 8.

What should come at the place of question mark (?) in the following number series?
3.5, 5, 7.5, 11.25, ?, 23.50

A. 12.75
B. 15
C. 14.75
D. 12.25
E. 16.50
Ans. E.
Solution:

### Question 9.

What should come at the place of question mark (?) in the following number series?
3, 3, 9, 15, 33, ?

A. 55
B. 50
C. 60
D. 63
E. 25
Ans. D.
Solution:

### Question 10.

What should come at the place of question mark (?) in the following number series?
40, 30, 60, ?, 90, 67.5

A. 60
B. 72
C. 65
D. 40
E. None of these
Ans. E.
Solution:

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