IBPS Quant Quiz

Directions (1-5):
What should come in place of the question mark (?) in the following number
series?
1.  
9   
62    ?    1854   
7415    22244 
        (1) 433                                          (2)
309
        (3) 406                                          (4)
371
        (5) None of
these

2.  
4   
8    24    60  
?    224

          (1) 178                                          (2) 96
          (3) 109                                          (4)
141
          (5) None of
these
3.  
8000   
1600    320    64   
12.8    ?
         (1) 2.56                                         (2) 3.5
         (3) 3.2                                           (4)
2.98
         (5) None of
these
4.  
6   
9    15    27   
51    ?
          (1) 84                                             (2)
99
          (3) 123                                          (4) 75
         (5) None of
these
5.  
7   
8    18    ?   
232    1165
         (1) 84                                             (2)
42
         (3) 57                                             (4)
36
         (5) None of these

:
Answer
1-4           2-5          3-1          4-2            5-3