In each of the following questions a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.
(Union Bank of India PO Exam. 27.11.2005)
1) 12 30 120 460 1368 2730
16 (a) (b) (c) (d) (e)
What will come in place of (d) ?
(1) 1384
(2) 2642
(3) 2808
(4) 1988
(5) None of these
2) 154 462 231 693 346.5 1039.5
276 (a) (b) (c) (d) (e)
What will come in place of (e) ?
(1) 1746
(2) 621
(3) 1242
(4) 983
(5) None of these
3) 7 91 1001 7007 35035 105
14.5 (a) (b) (c) (d) (e)
What will come in place of (c) ?
(1) 21132.5
(2) 14514.5
(3) 20020.5
(4) 13864.5
(5) None of these
4) 582 574 601 537 662 446
204 (a) (b) (c) (d) (e)
What will come in place of (d) ?
(1) 284
(2) 68
(3) 174
(4) 331
(5) None of these
5) 85 43 44 67.5 137 345
125 (a) (b) (c) (d) (e)
What will come in place of (c) ?
(1) 86
(2) 107.5
(3) 112.5
(4) 97.5
(5) None of these
What will come in place of the question mark (?) in the following number series ?
(Corporation Bank Po Exam. 29.07.2006)
6) 1 ? 27 64 125
(1) 8
(2) 4
(3) 6
(4) 9
(5) None of these
7) 25 16 ? 4 1
(1) 3
(2) 6
(3) 12
(4) 18
(5) None of these
8) 1 6 36 240 1960 ?
(1) 19660
(2) 3680
(3) 36800
(4) 19600
(5) None of these
9) 12 14 17 13 8 14 21 13 4 ?
(1) 14
(2) 13
(3) 15
(4) 2
(5) None of these
10) 2 5 7 12 19 31 50 ?
(1) 53
(2) 81
(3) 69
(4) 74
(5) None of these
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