Number Series-Test 6 (Based on two liner series and Finding odd one out)

11)

In each of the following number series, only one number is wrong. Find out the wrong number?

2, 9, 32, 105, 436, 2159, 13182

[Corporation Bank (PO), 2010]
Discussion
12)

5, 55, 495, 346517325, 34650, 51975

[Corporation Bank (PO), 2010]
Discussion
13)

8, 11, 17, 47, 128, 371, 1100

[Corporation Bank (PO), 2009]
Discussion
14)

1, 5, 13, 31, 61, 125, 253

[Corporation Bank (PO), 2009]
Discussion
15)

7.5, 47.5, 87.5, 157.5, 247.5, 357.5, 487.5

[Bank of Baroda (PO), 2008]
Discussion

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