Number Series for SBI PO : Set 22

Direction.1-10) What will come in place of the question mark (?) in the following number series?

1)560, 280, 140, ?, 35, 17.5

a) 50

b) 60

c) 70

d) 80

e) 90

Click here to View Answer
c)      70

       

2) 18, 19, 22, 31, 58, ?

a) 139

b) 128

c) 137

d) 125

e)134

Click here to View Answer
a)      139

            

3)10, 5, 5, 7.5, ?, 37.5

a) 12

b) 15

c) 18

d) 5

e)2

Click here to View Answer
b)      15

 

4)2     24     130     336     738      ?

a) 920

b) 1020

c) 1320

d) 1720

e) None of these

Click here to View Answer
c)       1320

5) 1752     1753      1745      1754       1690      1715        ?

a) 1399

b) 1279

c) 1499

d) 1679

e) None of these

Click here to View Answer
c)       1499

6)7      32       136         560        2272       ?

a) 7152

b) 11152

c) 9152

d) 8152

e) None of these

Click here to View Answer
c)       9152

7)250     611     322      547      378       ?       418

a) 578

b) 499

c) 679

d) 699

e) None of these

Click here to View Answer
b)       499

8)57     58     124     381    1588     7965        ?

a) 28026

b) 38056

c) 48006

d) 78576

e) None of these

Click here to View Answer
c)       48006

 

9) 784     864     962     1078      ?       1364

a) 1152

b) 1212

c) 1172

d) 1252

e) None of these

Click here to View Answer
b)       1212

10)       455    470     575     890     ?      2870

a) 983

b) 1783

c) 1683

d) 1583

e) None of these

Click here to View Answer
d)       1583